Home / 141,432.44-195,180.12-77,770.19

Finding the Fourth Proportional to 141,432.44, 195,180.12 and 77,770.19

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Solution

The fourth proportional to 141,432.44, 195,180.12 and 77,770.19 is: 107,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,432.44 : 195,180.12 = 77,770.19 : x
  2. Step 2: Convert to fraction form
    141,432.44/195,180.12 = 77,770.19/x
  3. Step 3: Cross multiply
    141,432.44x = 195,180.12 × 77,770.19
  4. Step 4: Simplify right side
    141,432.44x = 15,179,195,016.62
  5. Step 5: Solve for x
    x = 15,179,195,016.62/141,432.44
  6. Step 6: Final answer
    x = 107,324.71

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1.5x scale

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.