Home / 238,564.80-329,215.73-131,132.53

Finding the Fourth Proportional to 238,564.80, 329,215.73 and 131,132.53

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Solution

The fourth proportional to 238,564.80, 329,215.73 and 131,132.53 is: 180,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,564.80 : 329,215.73 = 131,132.53 : x
  2. Step 2: Convert to fraction form
    238,564.80/329,215.73 = 131,132.53/x
  3. Step 3: Cross multiply
    238,564.80x = 329,215.73 × 131,132.53
  4. Step 4: Simplify right side
    238,564.80x = 43,170,891,590.70
  5. Step 5: Solve for x
    x = 43,170,891,590.70/238,564.80
  6. Step 6: Final answer
    x = 180,960.86

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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.