Home / 138,513.12-207,791.55-44,997

Finding the Fourth Proportional to 138,513.12, 207,791.55 and 44,997

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Solution

The fourth proportional to 138,513.12, 207,791.55 and 44,997 is: 67,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,513.12 : 207,791.55 = 44,997 : x
  2. Step 2: Convert to fraction form
    138,513.12/207,791.55 = 44,997/x
  3. Step 3: Cross multiply
    138,513.12x = 207,791.55 × 44,997
  4. Step 4: Simplify right side
    138,513.12x = 9,349,996,375.35
  5. Step 5: Solve for x
    x = 9,349,996,375.35/138,513.12
  6. Step 6: Final answer
    x = 67,502.60

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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.