Home / 132,148.26-198,566.24-123,509.61

Finding the Fourth Proportional to 132,148.26, 198,566.24 and 123,509.61

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Solution

The fourth proportional to 132,148.26, 198,566.24 and 123,509.61 is: 185,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,148.26 : 198,566.24 = 123,509.61 : x
  2. Step 2: Convert to fraction form
    132,148.26/198,566.24 = 123,509.61/x
  3. Step 3: Cross multiply
    132,148.26x = 198,566.24 × 123,509.61
  4. Step 4: Simplify right side
    132,148.26x = 24,524,838,244.02
  5. Step 5: Solve for x
    x = 24,524,838,244.02/132,148.26
  6. Step 6: Final answer
    x = 185,585.78

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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.