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Finding the Fourth Proportional to 72,144.27, 108,228.25 and 22,223.27

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Solution

The fourth proportional to 72,144.27, 108,228.25 and 22,223.27 is: 33,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,144.27 : 108,228.25 = 22,223.27 : x
  2. Step 2: Convert to fraction form
    72,144.27/108,228.25 = 22,223.27/x
  3. Step 3: Cross multiply
    72,144.27x = 108,228.25 × 22,223.27
  4. Step 4: Simplify right side
    72,144.27x = 2,405,185,388.87
  5. Step 5: Solve for x
    x = 2,405,185,388.87/72,144.27
  6. Step 6: Final answer
    x = 33,338.55

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1.5x scale

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.