Home / 238,751.13-329,481.83-131,326.61

Finding the Fourth Proportional to 238,751.13, 329,481.83 and 131,326.61

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Solution

The fourth proportional to 238,751.13, 329,481.83 and 131,326.61 is: 181,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,751.13 : 329,481.83 = 131,326.61 : x
  2. Step 2: Convert to fraction form
    238,751.13/329,481.83 = 131,326.61/x
  3. Step 3: Cross multiply
    238,751.13x = 329,481.83 × 131,326.61
  4. Step 4: Simplify right side
    238,751.13x = 43,269,729,486.45
  5. Step 5: Solve for x
    x = 43,269,729,486.45/238,751.13
  6. Step 6: Final answer
    x = 181,233.61

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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.