Home / 238,517.96-329,147.82-136,540.04

Finding the Fourth Proportional to 238,517.96, 329,147.82 and 136,540.04

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Solution

The fourth proportional to 238,517.96, 329,147.82 and 136,540.04 is: 188,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,517.96 : 329,147.82 = 136,540.04 : x
  2. Step 2: Convert to fraction form
    238,517.96/329,147.82 = 136,540.04/x
  3. Step 3: Cross multiply
    238,517.96x = 329,147.82 × 136,540.04
  4. Step 4: Simplify right side
    238,517.96x = 44,941,854,862.97
  5. Step 5: Solve for x
    x = 44,941,854,862.97/238,517.96
  6. Step 6: Final answer
    x = 188,421.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.