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Finding the Fourth Proportional to 178,498.92, 267,748.64 and 133,567.12

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Solution

The fourth proportional to 178,498.92, 267,748.64 and 133,567.12 is: 200,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,498.92 : 267,748.64 = 133,567.12 : x
  2. Step 2: Convert to fraction form
    178,498.92/267,748.64 = 133,567.12/x
  3. Step 3: Cross multiply
    178,498.92x = 267,748.64 × 133,567.12
  4. Step 4: Simplify right side
    178,498.92x = 35,762,414,728.72
  5. Step 5: Solve for x
    x = 35,762,414,728.72/178,498.92
  6. Step 6: Final answer
    x = 200,350.87

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1.5x scale

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.