Finding the Fourth Proportional to 133,081.65, 183,852.99 and 87,250.19
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Solution
The fourth proportional to 133,081.65, 183,852.99 and 87,250.19 is: 120,536.58
Step by Step Solution
- Step 1: Write the proportion equation
133,081.65 : 183,852.99 = 87,250.19 : x - Step 2: Convert to fraction form
133,081.65/183,852.99 = 87,250.19/x - Step 3: Cross multiply
133,081.65x = 183,852.99 × 87,250.19 - Step 4: Simplify right side
133,081.65x = 16,041,207,390.30 - Step 5: Solve for x
x = 16,041,207,390.30/133,081.65 - Step 6: Final answer
x = 120,536.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.