Home / 138,493.06-207,735.94-43,719.41

Finding the Fourth Proportional to 138,493.06, 207,735.94 and 43,719.41

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Solution

The fourth proportional to 138,493.06, 207,735.94 and 43,719.41 is: 65,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,493.06 : 207,735.94 = 43,719.41 : x
  2. Step 2: Convert to fraction form
    138,493.06/207,735.94 = 43,719.41/x
  3. Step 3: Cross multiply
    138,493.06x = 207,735.94 × 43,719.41
  4. Step 4: Simplify right side
    138,493.06x = 9,082,093,306.58
  5. Step 5: Solve for x
    x = 9,082,093,306.58/138,493.06
  6. Step 6: Final answer
    x = 65,577.97

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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.