Home / 178,249.38-267,374.55-45,129.66

Finding the Fourth Proportional to 178,249.38, 267,374.55 and 45,129.66

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Solution

The fourth proportional to 178,249.38, 267,374.55 and 45,129.66 is: 67,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,249.38 : 267,374.55 = 45,129.66 : x
  2. Step 2: Convert to fraction form
    178,249.38/267,374.55 = 45,129.66/x
  3. Step 3: Cross multiply
    178,249.38x = 267,374.55 × 45,129.66
  4. Step 4: Simplify right side
    178,249.38x = 12,066,522,534.15
  5. Step 5: Solve for x
    x = 12,066,522,534.15/178,249.38
  6. Step 6: Final answer
    x = 67,694.61

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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.