Home / 141,338.44-195,046.38-80,908.78

Finding the Fourth Proportional to 141,338.44, 195,046.38 and 80,908.78

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Solution

The fourth proportional to 141,338.44, 195,046.38 and 80,908.78 is: 111,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338.44 : 195,046.38 = 80,908.78 : x
  2. Step 2: Convert to fraction form
    141,338.44/195,046.38 = 80,908.78/x
  3. Step 3: Cross multiply
    141,338.44x = 195,046.38 × 80,908.78
  4. Step 4: Simplify right side
    141,338.44x = 15,780,964,649.22
  5. Step 5: Solve for x
    x = 15,780,964,649.22/141,338.44
  6. Step 6: Final answer
    x = 111,653.73

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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.