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Finding the Fourth Proportional to 168,245.80, 252,587.40 and 135,003.40

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Solution

The fourth proportional to 168,245.80, 252,587.40 and 135,003.40 is: 202,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,245.80 : 252,587.40 = 135,003.40 : x
  2. Step 2: Convert to fraction form
    168,245.80/252,587.40 = 135,003.40/x
  3. Step 3: Cross multiply
    168,245.80x = 252,587.40 × 135,003.40
  4. Step 4: Simplify right side
    168,245.80x = 34,100,157,797.16
  5. Step 5: Solve for x
    x = 34,100,157,797.16/168,245.80
  6. Step 6: Final answer
    x = 202,680.59

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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.