Home / 140,891.25-194,429.97-77,229.48

Finding the Fourth Proportional to 140,891.25, 194,429.97 and 77,229.48

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Solution

The fourth proportional to 140,891.25, 194,429.97 and 77,229.48 is: 106,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,891.25 : 194,429.97 = 77,229.48 : x
  2. Step 2: Convert to fraction form
    140,891.25/194,429.97 = 77,229.48/x
  3. Step 3: Cross multiply
    140,891.25x = 194,429.97 × 77,229.48
  4. Step 4: Simplify right side
    140,891.25x = 15,015,725,479.52
  5. Step 5: Solve for x
    x = 15,015,725,479.52/140,891.25
  6. Step 6: Final answer
    x = 106,576.71

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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.