Home / 137,721.52-206,591.64-44,221.60

Finding the Fourth Proportional to 137,721.52, 206,591.64 and 44,221.60

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Solution

The fourth proportional to 137,721.52, 206,591.64 and 44,221.60 is: 66,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,721.52 : 206,591.64 = 44,221.60 : x
  2. Step 2: Convert to fraction form
    137,721.52/206,591.64 = 44,221.60/x
  3. Step 3: Cross multiply
    137,721.52x = 206,591.64 × 44,221.60
  4. Step 4: Simplify right side
    137,721.52x = 9,135,812,867.42
  5. Step 5: Solve for x
    x = 9,135,812,867.42/137,721.52
  6. Step 6: Final answer
    x = 66,335.41

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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.