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Finding the Fourth Proportional to 168,002.71, 252,016.36 and 66,840.29

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Solution

The fourth proportional to 168,002.71, 252,016.36 and 66,840.29 is: 100,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.71 : 252,016.36 = 66,840.29 : x
  2. Step 2: Convert to fraction form
    168,002.71/252,016.36 = 66,840.29/x
  3. Step 3: Cross multiply
    168,002.71x = 252,016.36 × 66,840.29
  4. Step 4: Simplify right side
    168,002.71x = 16,844,846,481.00
  5. Step 5: Solve for x
    x = 16,844,846,481.00/168,002.71
  6. Step 6: Final answer
    x = 100,265.33

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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.