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Finding the Fourth Proportional to 192,082.91, 288,050.49 and 132,738.66

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Solution

The fourth proportional to 192,082.91, 288,050.49 and 132,738.66 is: 199,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,082.91 : 288,050.49 = 132,738.66 : x
  2. Step 2: Convert to fraction form
    192,082.91/288,050.49 = 132,738.66/x
  3. Step 3: Cross multiply
    192,082.91x = 288,050.49 × 132,738.66
  4. Step 4: Simplify right side
    192,082.91x = 38,235,436,054.94
  5. Step 5: Solve for x
    x = 38,235,436,054.94/192,082.91
  6. Step 6: Final answer
    x = 199,056.94

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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.