Home / 231,738.50-319,799.13-125,754.50

Finding the Fourth Proportional to 231,738.50, 319,799.13 and 125,754.50

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Solution

The fourth proportional to 231,738.50, 319,799.13 and 125,754.50 is: 173,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,738.50 : 319,799.13 = 125,754.50 : x
  2. Step 2: Convert to fraction form
    231,738.50/319,799.13 = 125,754.50/x
  3. Step 3: Cross multiply
    231,738.50x = 319,799.13 × 125,754.50
  4. Step 4: Simplify right side
    231,738.50x = 40,216,179,693.59
  5. Step 5: Solve for x
    x = 40,216,179,693.59/231,738.50
  6. Step 6: Final answer
    x = 173,541.21

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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.