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Finding the Fourth Proportional to 125,761.46, 188,672.16 and 37,017.86

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Solution

The fourth proportional to 125,761.46, 188,672.16 and 37,017.86 is: 55,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,761.46 : 188,672.16 = 37,017.86 : x
  2. Step 2: Convert to fraction form
    125,761.46/188,672.16 = 37,017.86/x
  3. Step 3: Cross multiply
    125,761.46x = 188,672.16 × 37,017.86
  4. Step 4: Simplify right side
    125,761.46x = 6,984,239,604.78
  5. Step 5: Solve for x
    x = 6,984,239,604.78/125,761.46
  6. Step 6: Final answer
    x = 55,535.61

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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.