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Finding the Fourth Proportional to 126,044.86, 189,096.70 and 41,798.86

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Solution

The fourth proportional to 126,044.86, 189,096.70 and 41,798.86 is: 62,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,044.86 : 189,096.70 = 41,798.86 : x
  2. Step 2: Convert to fraction form
    126,044.86/189,096.70 = 41,798.86/x
  3. Step 3: Cross multiply
    126,044.86x = 189,096.70 × 41,798.86
  4. Step 4: Simplify right side
    126,044.86x = 7,904,025,912.52
  5. Step 5: Solve for x
    x = 7,904,025,912.52/126,044.86
  6. Step 6: Final answer
    x = 62,708.04

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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.