Home / 185,629.60-278,517.30-73,290.70

Finding the Fourth Proportional to 185,629.60, 278,517.30 and 73,290.70

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Solution

The fourth proportional to 185,629.60, 278,517.30 and 73,290.70 is: 109,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,629.60 : 278,517.30 = 73,290.70 : x
  2. Step 2: Convert to fraction form
    185,629.60/278,517.30 = 73,290.70/x
  3. Step 3: Cross multiply
    185,629.60x = 278,517.30 × 73,290.70
  4. Step 4: Simplify right side
    185,629.60x = 20,412,727,879.11
  5. Step 5: Solve for x
    x = 20,412,727,879.11/185,629.60
  6. Step 6: Final answer
    x = 109,964.83

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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.