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Finding the Fourth Proportional to 151,842.92, 227,454.96 and 91,834.88

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Solution

The fourth proportional to 151,842.92, 227,454.96 and 91,834.88 is: 137,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,842.92 : 227,454.96 = 91,834.88 : x
  2. Step 2: Convert to fraction form
    151,842.92/227,454.96 = 91,834.88/x
  3. Step 3: Cross multiply
    151,842.92x = 227,454.96 × 91,834.88
  4. Step 4: Simplify right side
    151,842.92x = 20,888,298,957.00
  5. Step 5: Solve for x
    x = 20,888,298,957.00/151,842.92
  6. Step 6: Final answer
    x = 137,565.18

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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.