Home / 110,721.30-166,049.55-39,635.70

Finding the Fourth Proportional to 110,721.30, 166,049.55 and 39,635.70

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Solution

The fourth proportional to 110,721.30, 166,049.55 and 39,635.70 is: 59,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721.30 : 166,049.55 = 39,635.70 : x
  2. Step 2: Convert to fraction form
    110,721.30/166,049.55 = 39,635.70/x
  3. Step 3: Cross multiply
    110,721.30x = 166,049.55 × 39,635.70
  4. Step 4: Simplify right side
    110,721.30x = 6,581,490,148.94
  5. Step 5: Solve for x
    x = 6,581,490,148.94/110,721.30
  6. Step 6: Final answer
    x = 59,441.95

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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.