Home / 110,731.30-166,064.55-39,645.70

Finding the Fourth Proportional to 110,731.30, 166,064.55 and 39,645.70

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Solution

The fourth proportional to 110,731.30, 166,064.55 and 39,645.70 is: 59,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,731.30 : 166,064.55 = 39,645.70 : x
  2. Step 2: Convert to fraction form
    110,731.30/166,064.55 = 39,645.70/x
  3. Step 3: Cross multiply
    110,731.30x = 166,064.55 × 39,645.70
  4. Step 4: Simplify right side
    110,731.30x = 6,583,745,329.94
  5. Step 5: Solve for x
    x = 6,583,745,329.94/110,731.30
  6. Step 6: Final answer
    x = 59,456.95

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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.