Home / 137,789.26-206,630.58-53,538.33

Finding the Fourth Proportional to 137,789.26, 206,630.58 and 53,538.33

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Solution

The fourth proportional to 137,789.26, 206,630.58 and 53,538.33 is: 80,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,789.26 : 206,630.58 = 53,538.33 : x
  2. Step 2: Convert to fraction form
    137,789.26/206,630.58 = 53,538.33/x
  3. Step 3: Cross multiply
    137,789.26x = 206,630.58 × 53,538.33
  4. Step 4: Simplify right side
    137,789.26x = 11,062,656,180.13
  5. Step 5: Solve for x
    x = 11,062,656,180.13/137,789.26
  6. Step 6: Final answer
    x = 80,286.78

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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.