Home / 170,950.82-256,437.17-65,769.78

Finding the Fourth Proportional to 170,950.82, 256,437.17 and 65,769.78

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Solution

The fourth proportional to 170,950.82, 256,437.17 and 65,769.78 is: 98,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,950.82 : 256,437.17 = 65,769.78 : x
  2. Step 2: Convert to fraction form
    170,950.82/256,437.17 = 65,769.78/x
  3. Step 3: Cross multiply
    170,950.82x = 256,437.17 × 65,769.78
  4. Step 4: Simplify right side
    170,950.82x = 16,865,815,925.87
  5. Step 5: Solve for x
    x = 16,865,815,925.87/170,950.82
  6. Step 6: Final answer
    x = 98,658.88

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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.