Home / 231,391.44-319,305.57-129,426.24

Finding the Fourth Proportional to 231,391.44, 319,305.57 and 129,426.24

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Solution

The fourth proportional to 231,391.44, 319,305.57 and 129,426.24 is: 178,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,391.44 : 319,305.57 = 129,426.24 : x
  2. Step 2: Convert to fraction form
    231,391.44/319,305.57 = 129,426.24/x
  3. Step 3: Cross multiply
    231,391.44x = 319,305.57 × 129,426.24
  4. Step 4: Simplify right side
    231,391.44x = 41,326,519,336.16
  5. Step 5: Solve for x
    x = 41,326,519,336.16/231,391.44
  6. Step 6: Final answer
    x = 178,600.04

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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.