Finding the Fourth Proportional to 115,575.87, 159,387.96 and 88,719.51
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Solution
The fourth proportional to 115,575.87, 159,387.96 and 88,719.51 is: 122,350.99
Step by Step Solution
- Step 1: Write the proportion equation
115,575.87 : 159,387.96 = 88,719.51 : x - Step 2: Convert to fraction form
115,575.87/159,387.96 = 88,719.51/x - Step 3: Cross multiply
115,575.87x = 159,387.96 × 88,719.51 - Step 4: Simplify right side
115,575.87x = 14,140,821,711.10 - Step 5: Solve for x
x = 14,140,821,711.10/115,575.87 - Step 6: Final answer
x = 122,350.99
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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.