Home / 274,286.20-411,055.60-132,121.12

Finding the Fourth Proportional to 274,286.20, 411,055.60 and 132,121.12

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Solution

The fourth proportional to 274,286.20, 411,055.60 and 132,121.12 is: 198,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,286.20 : 411,055.60 = 132,121.12 : x
  2. Step 2: Convert to fraction form
    274,286.20/411,055.60 = 132,121.12/x
  3. Step 3: Cross multiply
    274,286.20x = 411,055.60 × 132,121.12
  4. Step 4: Simplify right side
    274,286.20x = 54,309,125,905.60
  5. Step 5: Solve for x
    x = 54,309,125,905.60/274,286.20
  6. Step 6: Final answer
    x = 198,001.67

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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.