Home / 111,965.32-167,889.66-41,786.92

Finding the Fourth Proportional to 111,965.32, 167,889.66 and 41,786.92

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Solution

The fourth proportional to 111,965.32, 167,889.66 and 41,786.92 is: 62,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,965.32 : 167,889.66 = 41,786.92 : x
  2. Step 2: Convert to fraction form
    111,965.32/167,889.66 = 41,786.92/x
  3. Step 3: Cross multiply
    111,965.32x = 167,889.66 × 41,786.92
  4. Step 4: Simplify right side
    111,965.32x = 7,015,591,791.25
  5. Step 5: Solve for x
    x = 7,015,591,791.25/111,965.32
  6. Step 6: Final answer
    x = 62,658.61

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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.