Home / 141,170.64-194,759.92-80,708.80

Finding the Fourth Proportional to 141,170.64, 194,759.92 and 80,708.80

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Solution

The fourth proportional to 141,170.64, 194,759.92 and 80,708.80 is: 111,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,170.64 : 194,759.92 = 80,708.80 : x
  2. Step 2: Convert to fraction form
    141,170.64/194,759.92 = 80,708.80/x
  3. Step 3: Cross multiply
    141,170.64x = 194,759.92 × 80,708.80
  4. Step 4: Simplify right side
    141,170.64x = 15,718,838,742.62
  5. Step 5: Solve for x
    x = 15,718,838,742.62/141,170.64
  6. Step 6: Final answer
    x = 111,346.37

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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.