Home / 138,002.40-207,003.60-43,233.38

Finding the Fourth Proportional to 138,002.40, 207,003.60 and 43,233.38

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Solution

The fourth proportional to 138,002.40, 207,003.60 and 43,233.38 is: 64,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,002.40 : 207,003.60 = 43,233.38 : x
  2. Step 2: Convert to fraction form
    138,002.40/207,003.60 = 43,233.38/x
  3. Step 3: Cross multiply
    138,002.40x = 207,003.60 × 43,233.38
  4. Step 4: Simplify right side
    138,002.40x = 8,949,464,265.15
  5. Step 5: Solve for x
    x = 8,949,464,265.15/138,002.40
  6. Step 6: Final answer
    x = 64,850.06

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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.