Home / 159,013.29-238,422.33-67,721.43

Finding the Fourth Proportional to 159,013.29, 238,422.33 and 67,721.43

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Solution

The fourth proportional to 159,013.29, 238,422.33 and 67,721.43 is: 101,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,013.29 : 238,422.33 = 67,721.43 : x
  2. Step 2: Convert to fraction form
    159,013.29/238,422.33 = 67,721.43/x
  3. Step 3: Cross multiply
    159,013.29x = 238,422.33 × 67,721.43
  4. Step 4: Simplify right side
    159,013.29x = 16,146,301,131.53
  5. Step 5: Solve for x
    x = 16,146,301,131.53/159,013.29
  6. Step 6: Final answer
    x = 101,540.58

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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.