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Finding the Fourth Proportional to 168,560.92, 252,851.10 and 63,380.80

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Solution

The fourth proportional to 168,560.92, 252,851.10 and 63,380.80 is: 95,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,560.92 : 252,851.10 = 63,380.80 : x
  2. Step 2: Convert to fraction form
    168,560.92/252,851.10 = 63,380.80/x
  3. Step 3: Cross multiply
    168,560.92x = 252,851.10 × 63,380.80
  4. Step 4: Simplify right side
    168,560.92x = 16,025,904,681.98
  5. Step 5: Solve for x
    x = 16,025,904,681.98/168,560.92
  6. Step 6: Final answer
    x = 95,074.85

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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.