Home / 231,631.52-319,655.77-131,029.52

Finding the Fourth Proportional to 231,631.52, 319,655.77 and 131,029.52

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Solution

The fourth proportional to 231,631.52, 319,655.77 and 131,029.52 is: 180,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,631.52 : 319,655.77 = 131,029.52 : x
  2. Step 2: Convert to fraction form
    231,631.52/319,655.77 = 131,029.52/x
  3. Step 3: Cross multiply
    231,631.52x = 319,655.77 × 131,029.52
  4. Step 4: Simplify right side
    231,631.52x = 41,884,340,182.48
  5. Step 5: Solve for x
    x = 41,884,340,182.48/231,631.52
  6. Step 6: Final answer
    x = 180,823.15

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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.