Home / 141,697.20-195,535.80-81,224.48

Finding the Fourth Proportional to 141,697.20, 195,535.80 and 81,224.48

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Solution

The fourth proportional to 141,697.20, 195,535.80 and 81,224.48 is: 112,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,697.20 : 195,535.80 = 81,224.48 : x
  2. Step 2: Convert to fraction form
    141,697.20/195,535.80 = 81,224.48/x
  3. Step 3: Cross multiply
    141,697.20x = 195,535.80 × 81,224.48
  4. Step 4: Simplify right side
    141,697.20x = 15,882,293,676.38
  5. Step 5: Solve for x
    x = 15,882,293,676.38/141,697.20
  6. Step 6: Final answer
    x = 112,086.15

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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.