Home / 231,825.57-319,923.33-129,850.13

Finding the Fourth Proportional to 231,825.57, 319,923.33 and 129,850.13

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Solution

The fourth proportional to 231,825.57, 319,923.33 and 129,850.13 is: 179,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,825.57 : 319,923.33 = 129,850.13 : x
  2. Step 2: Convert to fraction form
    231,825.57/319,923.33 = 129,850.13/x
  3. Step 3: Cross multiply
    231,825.57x = 319,923.33 × 129,850.13
  4. Step 4: Simplify right side
    231,825.57x = 41,542,087,592.87
  5. Step 5: Solve for x
    x = 41,542,087,592.87/231,825.57
  6. Step 6: Final answer
    x = 179,195.45

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1.5x scale

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.