Home / 102,540.44-141,488.82-68,494.31

Finding the Fourth Proportional to 102,540.44, 141,488.82 and 68,494.31

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Solution

The fourth proportional to 102,540.44, 141,488.82 and 68,494.31 is: 94,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,540.44 : 141,488.82 = 68,494.31 : x
  2. Step 2: Convert to fraction form
    102,540.44/141,488.82 = 68,494.31/x
  3. Step 3: Cross multiply
    102,540.44x = 141,488.82 × 68,494.31
  4. Step 4: Simplify right side
    102,540.44x = 9,691,179,098.61
  5. Step 5: Solve for x
    x = 9,691,179,098.61/102,540.44
  6. Step 6: Final answer
    x = 94,510.80

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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.