Home / 141,187.92-194,856.89-80,750.18

Finding the Fourth Proportional to 141,187.92, 194,856.89 and 80,750.18

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Solution

The fourth proportional to 141,187.92, 194,856.89 and 80,750.18 is: 111,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,187.92 : 194,856.89 = 80,750.18 : x
  2. Step 2: Convert to fraction form
    141,187.92/194,856.89 = 80,750.18/x
  3. Step 3: Cross multiply
    141,187.92x = 194,856.89 × 80,750.18
  4. Step 4: Simplify right side
    141,187.92x = 15,734,727,563.70
  5. Step 5: Solve for x
    x = 15,734,727,563.70/141,187.92
  6. Step 6: Final answer
    x = 111,445.28

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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.