Home / 170,956.20-256,481.70-71,163.40

Finding the Fourth Proportional to 170,956.20, 256,481.70 and 71,163.40

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Solution

The fourth proportional to 170,956.20, 256,481.70 and 71,163.40 is: 106,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,956.20 : 256,481.70 = 71,163.40 : x
  2. Step 2: Convert to fraction form
    170,956.20/256,481.70 = 71,163.40/x
  3. Step 3: Cross multiply
    170,956.20x = 256,481.70 × 71,163.40
  4. Step 4: Simplify right side
    170,956.20x = 18,252,109,809.78
  5. Step 5: Solve for x
    x = 18,252,109,809.78/170,956.20
  6. Step 6: Final answer
    x = 106,764.83

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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.