Home / 109,286.20-163,929.30-107,536.60

Finding the Fourth Proportional to 109,286.20, 163,929.30 and 107,536.60

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Solution

The fourth proportional to 109,286.20, 163,929.30 and 107,536.60 is: 161,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,286.20 : 163,929.30 = 107,536.60 : x
  2. Step 2: Convert to fraction form
    109,286.20/163,929.30 = 107,536.60/x
  3. Step 3: Cross multiply
    109,286.20x = 163,929.30 × 107,536.60
  4. Step 4: Simplify right side
    109,286.20x = 17,628,399,562.38
  5. Step 5: Solve for x
    x = 17,628,399,562.38/109,286.20
  6. Step 6: Final answer
    x = 161,304.90

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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.