Home / 221,844.60-332,540.10-109,351.80

Finding the Fourth Proportional to 221,844.60, 332,540.10 and 109,351.80

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Solution

The fourth proportional to 221,844.60, 332,540.10 and 109,351.80 is: 163,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,844.60 : 332,540.10 = 109,351.80 : x
  2. Step 2: Convert to fraction form
    221,844.60/332,540.10 = 109,351.80/x
  3. Step 3: Cross multiply
    221,844.60x = 332,540.10 × 109,351.80
  4. Step 4: Simplify right side
    221,844.60x = 36,363,858,507.18
  5. Step 5: Solve for x
    x = 36,363,858,507.18/221,844.60
  6. Step 6: Final answer
    x = 163,915.91

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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.