Home / 72,147.57-108,233.19-22,226.55

Finding the Fourth Proportional to 72,147.57, 108,233.19 and 22,226.55

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Solution

The fourth proportional to 72,147.57, 108,233.19 and 22,226.55 is: 33,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,147.57 : 108,233.19 = 22,226.55 : x
  2. Step 2: Convert to fraction form
    72,147.57/108,233.19 = 22,226.55/x
  3. Step 3: Cross multiply
    72,147.57x = 108,233.19 × 22,226.55
  4. Step 4: Simplify right side
    72,147.57x = 2,405,650,409.19
  5. Step 5: Solve for x
    x = 2,405,650,409.19/72,147.57
  6. Step 6: Final answer
    x = 33,343.47

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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.