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Finding the Fourth Proportional to 159,600.30, 239,400.45 and 131,059.95

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Solution

The fourth proportional to 159,600.30, 239,400.45 and 131,059.95 is: 196,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,600.30 : 239,400.45 = 131,059.95 : x
  2. Step 2: Convert to fraction form
    159,600.30/239,400.45 = 131,059.95/x
  3. Step 3: Cross multiply
    159,600.30x = 239,400.45 × 131,059.95
  4. Step 4: Simplify right side
    159,600.30x = 31,375,811,006.98
  5. Step 5: Solve for x
    x = 31,375,811,006.98/159,600.30
  6. Step 6: Final answer
    x = 196,589.93

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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.