Home / 111,610.40-167,545.20-110,832.80

Finding the Fourth Proportional to 111,610.40, 167,545.20 and 110,832.80

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Solution

The fourth proportional to 111,610.40, 167,545.20 and 110,832.80 is: 166,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,610.40 : 167,545.20 = 110,832.80 : x
  2. Step 2: Convert to fraction form
    111,610.40/167,545.20 = 110,832.80/x
  3. Step 3: Cross multiply
    111,610.40x = 167,545.20 × 110,832.80
  4. Step 4: Simplify right side
    111,610.40x = 18,569,503,642.56
  5. Step 5: Solve for x
    x = 18,569,503,642.56/111,610.40
  6. Step 6: Final answer
    x = 166,377.90

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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.