Home / 137,862.30-206,793.45-125,615.10

Finding the Fourth Proportional to 137,862.30, 206,793.45 and 125,615.10

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Solution

The fourth proportional to 137,862.30, 206,793.45 and 125,615.10 is: 188,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,862.30 : 206,793.45 = 125,615.10 : x
  2. Step 2: Convert to fraction form
    137,862.30/206,793.45 = 125,615.10/x
  3. Step 3: Cross multiply
    137,862.30x = 206,793.45 × 125,615.10
  4. Step 4: Simplify right side
    137,862.30x = 25,976,379,901.10
  5. Step 5: Solve for x
    x = 25,976,379,901.10/137,862.30
  6. Step 6: Final answer
    x = 188,422.65

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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.