Home / 141,302.97-212,134.31-91,591.09

Finding the Fourth Proportional to 141,302.97, 212,134.31 and 91,591.09

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Solution

The fourth proportional to 141,302.97, 212,134.31 and 91,591.09 is: 137,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,302.97 : 212,134.31 = 91,591.09 : x
  2. Step 2: Convert to fraction form
    141,302.97/212,134.31 = 91,591.09/x
  3. Step 3: Cross multiply
    141,302.97x = 212,134.31 × 91,591.09
  4. Step 4: Simplify right side
    141,302.97x = 19,429,612,034.47
  5. Step 5: Solve for x
    x = 19,429,612,034.47/141,302.97
  6. Step 6: Final answer
    x = 137,503.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.