Home / 138,546.01-207,896.87-75,370.55

Finding the Fourth Proportional to 138,546.01, 207,896.87 and 75,370.55

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Solution

The fourth proportional to 138,546.01, 207,896.87 and 75,370.55 is: 113,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,546.01 : 207,896.87 = 75,370.55 : x
  2. Step 2: Convert to fraction form
    138,546.01/207,896.87 = 75,370.55/x
  3. Step 3: Cross multiply
    138,546.01x = 207,896.87 × 75,370.55
  4. Step 4: Simplify right side
    138,546.01x = 15,669,301,058.33
  5. Step 5: Solve for x
    x = 15,669,301,058.33/138,546.01
  6. Step 6: Final answer
    x = 113,098.18

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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.