Finding the Fourth Proportional to 168,039.68, 252,098.72 and 55,711.68
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Solution
The fourth proportional to 168,039.68, 252,098.72 and 55,711.68 is: 83,580.52
Step by Step Solution
- Step 1: Write the proportion equation
168,039.68 : 252,098.72 = 55,711.68 : x - Step 2: Convert to fraction form
168,039.68/252,098.72 = 55,711.68/x - Step 3: Cross multiply
168,039.68x = 252,098.72 × 55,711.68 - Step 4: Simplify right side
168,039.68x = 14,044,843,217.05 - Step 5: Solve for x
x = 14,044,843,217.05/168,039.68 - Step 6: Final answer
x = 83,580.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.