Home / 231,350.23-319,270.98-127,985.86

Finding the Fourth Proportional to 231,350.23, 319,270.98 and 127,985.86

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Solution

The fourth proportional to 231,350.23, 319,270.98 and 127,985.86 is: 176,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,350.23 : 319,270.98 = 127,985.86 : x
  2. Step 2: Convert to fraction form
    231,350.23/319,270.98 = 127,985.86/x
  3. Step 3: Cross multiply
    231,350.23x = 319,270.98 × 127,985.86
  4. Step 4: Simplify right side
    231,350.23x = 40,862,170,948.34
  5. Step 5: Solve for x
    x = 40,862,170,948.34/231,350.23
  6. Step 6: Final answer
    x = 176,624.73

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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.