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Finding the Fourth Proportional to 113,753.76, 170,655.54 and 34,874.13

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Solution

The fourth proportional to 113,753.76, 170,655.54 and 34,874.13 is: 52,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,753.76 : 170,655.54 = 34,874.13 : x
  2. Step 2: Convert to fraction form
    113,753.76/170,655.54 = 34,874.13/x
  3. Step 3: Cross multiply
    113,753.76x = 170,655.54 × 34,874.13
  4. Step 4: Simplify right side
    113,753.76x = 5,951,463,487.18
  5. Step 5: Solve for x
    x = 5,951,463,487.18/113,753.76
  6. Step 6: Final answer
    x = 52,318.83

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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.