Home / 137,923.38-206,717.85-62,940.78

Finding the Fourth Proportional to 137,923.38, 206,717.85 and 62,940.78

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Solution

The fourth proportional to 137,923.38, 206,717.85 and 62,940.78 is: 94,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,923.38 : 206,717.85 = 62,940.78 : x
  2. Step 2: Convert to fraction form
    137,923.38/206,717.85 = 62,940.78/x
  3. Step 3: Cross multiply
    137,923.38x = 206,717.85 × 62,940.78
  4. Step 4: Simplify right side
    137,923.38x = 13,010,982,718.92
  5. Step 5: Solve for x
    x = 13,010,982,718.92/137,923.38
  6. Step 6: Final answer
    x = 94,334.86

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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.