Home / 231,732.44-319,817.64-141,141.56

Finding the Fourth Proportional to 231,732.44, 319,817.64 and 141,141.56

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Solution

The fourth proportional to 231,732.44, 319,817.64 and 141,141.56 is: 194,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,732.44 : 319,817.64 = 141,141.56 : x
  2. Step 2: Convert to fraction form
    231,732.44/319,817.64 = 141,141.56/x
  3. Step 3: Cross multiply
    231,732.44x = 319,817.64 × 141,141.56
  4. Step 4: Simplify right side
    231,732.44x = 45,139,560,625.12
  5. Step 5: Solve for x
    x = 45,139,560,625.12/231,732.44
  6. Step 6: Final answer
    x = 194,791.72

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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.