Home / 238,654.90-329,345.01-131,231.83

Finding the Fourth Proportional to 238,654.90, 329,345.01 and 131,231.83

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Solution

The fourth proportional to 238,654.90, 329,345.01 and 131,231.83 is: 181,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,654.90 : 329,345.01 = 131,231.83 : x
  2. Step 2: Convert to fraction form
    238,654.90/329,345.01 = 131,231.83/x
  3. Step 3: Cross multiply
    238,654.90x = 329,345.01 × 131,231.83
  4. Step 4: Simplify right side
    238,654.90x = 43,220,548,363.67
  5. Step 5: Solve for x
    x = 43,220,548,363.67/238,654.90
  6. Step 6: Final answer
    x = 181,100.61

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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.