Home / 231,697.28-319,733.52-131,097.44

Finding the Fourth Proportional to 231,697.28, 319,733.52 and 131,097.44

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Solution

The fourth proportional to 231,697.28, 319,733.52 and 131,097.44 is: 180,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,697.28 : 319,733.52 = 131,097.44 : x
  2. Step 2: Convert to fraction form
    231,697.28/319,733.52 = 131,097.44/x
  3. Step 3: Cross multiply
    231,697.28x = 319,733.52 × 131,097.44
  4. Step 4: Simplify right side
    231,697.28x = 41,916,245,954.19
  5. Step 5: Solve for x
    x = 41,916,245,954.19/231,697.28
  6. Step 6: Final answer
    x = 180,909.53

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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.