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Finding the Fourth Proportional to 168,191.79, 252,287.69 and 79,454.27

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Solution

The fourth proportional to 168,191.79, 252,287.69 and 79,454.27 is: 119,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,191.79 : 252,287.69 = 79,454.27 : x
  2. Step 2: Convert to fraction form
    168,191.79/252,287.69 = 79,454.27/x
  3. Step 3: Cross multiply
    168,191.79x = 252,287.69 × 79,454.27
  4. Step 4: Simplify right side
    168,191.79x = 20,045,333,276.73
  5. Step 5: Solve for x
    x = 20,045,333,276.73/168,191.79
  6. Step 6: Final answer
    x = 119,181.40

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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.