Home / 231,304.86-319,201.23-129,334.02

Finding the Fourth Proportional to 231,304.86, 319,201.23 and 129,334.02

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Solution

The fourth proportional to 231,304.86, 319,201.23 and 129,334.02 is: 178,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,304.86 : 319,201.23 = 129,334.02 : x
  2. Step 2: Convert to fraction form
    231,304.86/319,201.23 = 129,334.02/x
  3. Step 3: Cross multiply
    231,304.86x = 319,201.23 × 129,334.02
  4. Step 4: Simplify right side
    231,304.86x = 41,283,578,264.84
  5. Step 5: Solve for x
    x = 41,283,578,264.84/231,304.86
  6. Step 6: Final answer
    x = 178,481.24

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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.