Home / 121,350.20-182,025.30-108,519.80

Finding the Fourth Proportional to 121,350.20, 182,025.30 and 108,519.80

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Solution

The fourth proportional to 121,350.20, 182,025.30 and 108,519.80 is: 162,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,350.20 : 182,025.30 = 108,519.80 : x
  2. Step 2: Convert to fraction form
    121,350.20/182,025.30 = 108,519.80/x
  3. Step 3: Cross multiply
    121,350.20x = 182,025.30 × 108,519.80
  4. Step 4: Simplify right side
    121,350.20x = 19,753,349,150.94
  5. Step 5: Solve for x
    x = 19,753,349,150.94/121,350.20
  6. Step 6: Final answer
    x = 162,779.70

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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.