We have the proportion:

$\frac{3}{2} = \frac{X}{120}$

To solve for $X$, use cross-multiplication:

$3 \times 120 = 2 \times X$

$360 = 2X$

Now, divide by 2:

$X = \frac{360}{2} = 180$

Final Answer:

$X = 180$

Would you like a more detailed explanation or another example?

Related Questions:

1. How do you solve proportions with unknown variables?
2. What are some real-life applications of proportions?
3. How do you check if two ratios form a proportion?
4. How can proportions be used in scaling and resizing?
5. What is the difference between a ratio and a proportion?

Tip:

When solving proportions, always cross-multiply to create an equation that's easier to solve!