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Finding the Fourth Proportional to 157,265.62, 217,046.52 and 89,304.86

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Solution

The fourth proportional to 157,265.62, 217,046.52 and 89,304.86 is: 123,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,265.62 : 217,046.52 = 89,304.86 : x
  2. Step 2: Convert to fraction form
    157,265.62/217,046.52 = 89,304.86/x
  3. Step 3: Cross multiply
    157,265.62x = 217,046.52 × 89,304.86
  4. Step 4: Simplify right side
    157,265.62x = 19,383,309,624.70
  5. Step 5: Solve for x
    x = 19,383,309,624.70/157,265.62
  6. Step 6: Final answer
    x = 123,252.05

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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.