Home / 137,710.38-206,567.82-47,755.92

Finding the Fourth Proportional to 137,710.38, 206,567.82 and 47,755.92

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Solution

The fourth proportional to 137,710.38, 206,567.82 and 47,755.92 is: 71,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,710.38 : 206,567.82 = 47,755.92 : x
  2. Step 2: Convert to fraction form
    137,710.38/206,567.82 = 47,755.92/x
  3. Step 3: Cross multiply
    137,710.38x = 206,567.82 × 47,755.92
  4. Step 4: Simplify right side
    137,710.38x = 9,864,836,286.49
  5. Step 5: Solve for x
    x = 9,864,836,286.49/137,710.38
  6. Step 6: Final answer
    x = 71,634.66

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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.