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Finding the Fourth Proportional to 168,345.60, 252,057.60 and 131,481.60

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Solution

The fourth proportional to 168,345.60, 252,057.60 and 131,481.60 is: 196,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,345.60 : 252,057.60 = 131,481.60 : x
  2. Step 2: Convert to fraction form
    168,345.60/252,057.60 = 131,481.60/x
  3. Step 3: Cross multiply
    168,345.60x = 252,057.60 × 131,481.60
  4. Step 4: Simplify right side
    168,345.60x = 33,140,936,540.16
  5. Step 5: Solve for x
    x = 33,140,936,540.16/168,345.60
  6. Step 6: Final answer
    x = 196,862.51

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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.