Home / 111,622.28-167,290.92-52,327.36

Finding the Fourth Proportional to 111,622.28, 167,290.92 and 52,327.36

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Solution

The fourth proportional to 111,622.28, 167,290.92 and 52,327.36 is: 78,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,622.28 : 167,290.92 = 52,327.36 : x
  2. Step 2: Convert to fraction form
    111,622.28/167,290.92 = 52,327.36/x
  3. Step 3: Cross multiply
    111,622.28x = 167,290.92 × 52,327.36
  4. Step 4: Simplify right side
    111,622.28x = 8,753,892,195.57
  5. Step 5: Solve for x
    x = 8,753,892,195.57/111,622.28
  6. Step 6: Final answer
    x = 78,424.24

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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.