Home / 231,475.20-319,434.24-130,873.60

Finding the Fourth Proportional to 231,475.20, 319,434.24 and 130,873.60

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Solution

The fourth proportional to 231,475.20, 319,434.24 and 130,873.60 is: 180,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,475.20 : 319,434.24 = 130,873.60 : x
  2. Step 2: Convert to fraction form
    231,475.20/319,434.24 = 130,873.60/x
  3. Step 3: Cross multiply
    231,475.20x = 319,434.24 × 130,873.60
  4. Step 4: Simplify right side
    231,475.20x = 41,805,508,952.06
  5. Step 5: Solve for x
    x = 41,805,508,952.06/231,475.20
  6. Step 6: Final answer
    x = 180,604.70

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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.