Home / 204,550.24-306,867.20-86,221.60

Finding the Fourth Proportional to 204,550.24, 306,867.20 and 86,221.60

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Solution

The fourth proportional to 204,550.24, 306,867.20 and 86,221.60 is: 129,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,550.24 : 306,867.20 = 86,221.60 : x
  2. Step 2: Convert to fraction form
    204,550.24/306,867.20 = 86,221.60/x
  3. Step 3: Cross multiply
    204,550.24x = 306,867.20 × 86,221.60
  4. Step 4: Simplify right side
    204,550.24x = 26,458,580,971.52
  5. Step 5: Solve for x
    x = 26,458,580,971.52/204,550.24
  6. Step 6: Final answer
    x = 129,350.04

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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.