Home / 238,619.76-329,297.52-131,190.54

Finding the Fourth Proportional to 238,619.76, 329,297.52 and 131,190.54

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Solution

The fourth proportional to 238,619.76, 329,297.52 and 131,190.54 is: 181,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,619.76 : 329,297.52 = 131,190.54 : x
  2. Step 2: Convert to fraction form
    238,619.76/329,297.52 = 131,190.54/x
  3. Step 3: Cross multiply
    238,619.76x = 329,297.52 × 131,190.54
  4. Step 4: Simplify right side
    238,619.76x = 43,200,719,469.46
  5. Step 5: Solve for x
    x = 43,200,719,469.46/238,619.76
  6. Step 6: Final answer
    x = 181,044.18

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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.