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Finding the Fourth Proportional to 133,691.54, 184,491.42 and 73,260.88

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Solution

The fourth proportional to 133,691.54, 184,491.42 and 73,260.88 is: 101,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,691.54 : 184,491.42 = 73,260.88 : x
  2. Step 2: Convert to fraction form
    133,691.54/184,491.42 = 73,260.88/x
  3. Step 3: Cross multiply
    133,691.54x = 184,491.42 × 73,260.88
  4. Step 4: Simplify right side
    133,691.54x = 13,516,003,781.65
  5. Step 5: Solve for x
    x = 13,516,003,781.65/133,691.54
  6. Step 6: Final answer
    x = 101,098.42

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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.