Home / 231,705.03-319,757.80-131,103.03

Finding the Fourth Proportional to 231,705.03, 319,757.80 and 131,103.03

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Solution

The fourth proportional to 231,705.03, 319,757.80 and 131,103.03 is: 180,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,705.03 : 319,757.80 = 131,103.03 : x
  2. Step 2: Convert to fraction form
    231,705.03/319,757.80 = 131,103.03/x
  3. Step 3: Cross multiply
    231,705.03x = 319,757.80 × 131,103.03
  4. Step 4: Simplify right side
    231,705.03x = 41,921,216,446.13
  5. Step 5: Solve for x
    x = 41,921,216,446.13/231,705.03
  6. Step 6: Final answer
    x = 180,924.93

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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.