Home / 141,853.27-195,769.25-81,435.60

Finding the Fourth Proportional to 141,853.27, 195,769.25 and 81,435.60

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Solution

The fourth proportional to 141,853.27, 195,769.25 and 81,435.60 is: 112,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853.27 : 195,769.25 = 81,435.60 : x
  2. Step 2: Convert to fraction form
    141,853.27/195,769.25 = 81,435.60/x
  3. Step 3: Cross multiply
    141,853.27x = 195,769.25 × 81,435.60
  4. Step 4: Simplify right side
    141,853.27x = 15,942,586,335.30
  5. Step 5: Solve for x
    x = 15,942,586,335.30/141,853.27
  6. Step 6: Final answer
    x = 112,387.87

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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.