Home / 137,583.28-206,372.87-47,691.43

Finding the Fourth Proportional to 137,583.28, 206,372.87 and 47,691.43

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Solution

The fourth proportional to 137,583.28, 206,372.87 and 47,691.43 is: 71,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,583.28 : 206,372.87 = 47,691.43 : x
  2. Step 2: Convert to fraction form
    137,583.28/206,372.87 = 47,691.43/x
  3. Step 3: Cross multiply
    137,583.28x = 206,372.87 × 47,691.43
  4. Step 4: Simplify right side
    137,583.28x = 9,842,217,739.82
  5. Step 5: Solve for x
    x = 9,842,217,739.82/137,583.28
  6. Step 6: Final answer
    x = 71,536.44

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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.