Finding the Fourth Proportional to 113,805.87, 157,052.11 and 62,818.62
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Solution
The fourth proportional to 113,805.87, 157,052.11 and 62,818.62 is: 86,689.70
Step by Step Solution
- Step 1: Write the proportion equation
113,805.87 : 157,052.11 = 62,818.62 : x - Step 2: Convert to fraction form
113,805.87/157,052.11 = 62,818.62/x - Step 3: Cross multiply
113,805.87x = 157,052.11 × 62,818.62 - Step 4: Simplify right side
113,805.87x = 9,865,796,818.29 - Step 5: Solve for x
x = 9,865,796,818.29/113,805.87 - Step 6: Final answer
x = 86,689.70
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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.