Finding the Fourth Proportional to 182,721.87, 252,155.03 and 102,149.01
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Solution
The fourth proportional to 182,721.87, 252,155.03 and 102,149.01 is: 140,964.99
Step by Step Solution
- Step 1: Write the proportion equation
182,721.87 : 252,155.03 = 102,149.01 : x - Step 2: Convert to fraction form
182,721.87/252,155.03 = 102,149.01/x - Step 3: Cross multiply
182,721.87x = 252,155.03 × 102,149.01 - Step 4: Simplify right side
182,721.87x = 25,757,386,170.28 - Step 5: Solve for x
x = 25,757,386,170.28/182,721.87 - Step 6: Final answer
x = 140,964.99
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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.