Finding the Fourth Proportional to 107,130.87, 160,697.99 and 40,553.12
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Solution
The fourth proportional to 107,130.87, 160,697.99 and 40,553.12 is: 60,830.32
Step by Step Solution
- Step 1: Write the proportion equation
107,130.87 : 160,697.99 = 40,553.12 : x - Step 2: Convert to fraction form
107,130.87/160,697.99 = 40,553.12/x - Step 3: Cross multiply
107,130.87x = 160,697.99 × 40,553.12 - Step 4: Simplify right side
107,130.87x = 6,516,805,375.36 - Step 5: Solve for x
x = 6,516,805,375.36/107,130.87 - Step 6: Final answer
x = 60,830.32
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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.