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Finding the Fourth Proportional to 157,737.42, 217,669.11 and 89,752.38

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Solution

The fourth proportional to 157,737.42, 217,669.11 and 89,752.38 is: 123,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,737.42 : 217,669.11 = 89,752.38 : x
  2. Step 2: Convert to fraction form
    157,737.42/217,669.11 = 89,752.38/x
  3. Step 3: Cross multiply
    157,737.42x = 217,669.11 × 89,752.38
  4. Step 4: Simplify right side
    157,737.42x = 19,536,320,674.98
  5. Step 5: Solve for x
    x = 19,536,320,674.98/157,737.42
  6. Step 6: Final answer
    x = 123,853.43

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1.5x scale

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.