Home / 238,912.65-329,687.55-131,479.92

Finding the Fourth Proportional to 238,912.65, 329,687.55 and 131,479.92

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Solution

The fourth proportional to 238,912.65, 329,687.55 and 131,479.92 is: 181,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,912.65 : 329,687.55 = 131,479.92 : x
  2. Step 2: Convert to fraction form
    238,912.65/329,687.55 = 131,479.92/x
  3. Step 3: Cross multiply
    238,912.65x = 329,687.55 × 131,479.92
  4. Step 4: Simplify right side
    238,912.65x = 43,347,292,699.00
  5. Step 5: Solve for x
    x = 43,347,292,699.00/238,912.65
  6. Step 6: Final answer
    x = 181,435.74

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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.