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Finding the Fourth Proportional to 168,534.08, 252,874.88 and 79,850.88

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Solution

The fourth proportional to 168,534.08, 252,874.88 and 79,850.88 is: 119,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,534.08 : 252,874.88 = 79,850.88 : x
  2. Step 2: Convert to fraction form
    168,534.08/252,874.88 = 79,850.88/x
  3. Step 3: Cross multiply
    168,534.08x = 252,874.88 × 79,850.88
  4. Step 4: Simplify right side
    168,534.08x = 20,192,281,697.89
  5. Step 5: Solve for x
    x = 20,192,281,697.89/168,534.08
  6. Step 6: Final answer
    x = 119,811.27

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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.