Home / 231,632.03-319,657.62-129,654.96

Finding the Fourth Proportional to 231,632.03, 319,657.62 and 129,654.96

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Solution

The fourth proportional to 231,632.03, 319,657.62 and 129,654.96 is: 178,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,632.03 : 319,657.62 = 129,654.96 : x
  2. Step 2: Convert to fraction form
    231,632.03/319,657.62 = 129,654.96/x
  3. Step 3: Cross multiply
    231,632.03x = 319,657.62 × 129,654.96
  4. Step 4: Simplify right side
    231,632.03x = 41,445,193,688.23
  5. Step 5: Solve for x
    x = 41,445,193,688.23/231,632.03
  6. Step 6: Final answer
    x = 178,926.87

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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.