Home / 168,375.60-252,563.40-89,449.20

Finding the Fourth Proportional to 168,375.60, 252,563.40 and 89,449.20

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Solution

The fourth proportional to 168,375.60, 252,563.40 and 89,449.20 is: 134,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,375.60 : 252,563.40 = 89,449.20 : x
  2. Step 2: Convert to fraction form
    168,375.60/252,563.40 = 89,449.20/x
  3. Step 3: Cross multiply
    168,375.60x = 252,563.40 × 89,449.20
  4. Step 4: Simplify right side
    168,375.60x = 22,591,594,079.28
  5. Step 5: Solve for x
    x = 22,591,594,079.28/168,375.60
  6. Step 6: Final answer
    x = 134,173.80

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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.