Home / 121,348.20-182,022.30-108,517.80

Finding the Fourth Proportional to 121,348.20, 182,022.30 and 108,517.80

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Solution

The fourth proportional to 121,348.20, 182,022.30 and 108,517.80 is: 162,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,348.20 : 182,022.30 = 108,517.80 : x
  2. Step 2: Convert to fraction form
    121,348.20/182,022.30 = 108,517.80/x
  3. Step 3: Cross multiply
    121,348.20x = 182,022.30 × 108,517.80
  4. Step 4: Simplify right side
    121,348.20x = 19,752,659,546.94
  5. Step 5: Solve for x
    x = 19,752,659,546.94/121,348.20
  6. Step 6: Final answer
    x = 162,776.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.