Home / 231,526.28-319,404.89-135,989.91

Finding the Fourth Proportional to 231,526.28, 319,404.89 and 135,989.91

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Solution

The fourth proportional to 231,526.28, 319,404.89 and 135,989.91 is: 187,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,526.28 : 319,404.89 = 135,989.91 : x
  2. Step 2: Convert to fraction form
    231,526.28/319,404.89 = 135,989.91/x
  3. Step 3: Cross multiply
    231,526.28x = 319,404.89 × 135,989.91
  4. Step 4: Simplify right side
    231,526.28x = 43,435,842,584.63
  5. Step 5: Solve for x
    x = 43,435,842,584.63/231,526.28
  6. Step 6: Final answer
    x = 187,606.53

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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.