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Finding the Fourth Proportional to 168,286.66, 252,432.16 and 55,966.91

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Solution

The fourth proportional to 168,286.66, 252,432.16 and 55,966.91 is: 83,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,286.66 : 252,432.16 = 55,966.91 : x
  2. Step 2: Convert to fraction form
    168,286.66/252,432.16 = 55,966.91/x
  3. Step 3: Cross multiply
    168,286.66x = 252,432.16 × 55,966.91
  4. Step 4: Simplify right side
    168,286.66x = 14,127,846,577.75
  5. Step 5: Solve for x
    x = 14,127,846,577.75/168,286.66
  6. Step 6: Final answer
    x = 83,951.08

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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.