Home / 168,859.43-252,956.30-137,305.11

Finding the Fourth Proportional to 168,859.43, 252,956.30 and 137,305.11

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Solution

The fourth proportional to 168,859.43, 252,956.30 and 137,305.11 is: 205,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,859.43 : 252,956.30 = 137,305.11 : x
  2. Step 2: Convert to fraction form
    168,859.43/252,956.30 = 137,305.11/x
  3. Step 3: Cross multiply
    168,859.43x = 252,956.30 × 137,305.11
  4. Step 4: Simplify right side
    168,859.43x = 34,732,192,858.75
  5. Step 5: Solve for x
    x = 34,732,192,858.75/168,859.43
  6. Step 6: Final answer
    x = 205,687.02

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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.