Home / 179,768.20-269,522.70-100,906.60

Finding the Fourth Proportional to 179,768.20, 269,522.70 and 100,906.60

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Solution

The fourth proportional to 179,768.20, 269,522.70 and 100,906.60 is: 151,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,768.20 : 269,522.70 = 100,906.60 : x
  2. Step 2: Convert to fraction form
    179,768.20/269,522.70 = 100,906.60/x
  3. Step 3: Cross multiply
    179,768.20x = 269,522.70 × 100,906.60
  4. Step 4: Simplify right side
    179,768.20x = 27,196,619,279.82
  5. Step 5: Solve for x
    x = 27,196,619,279.82/179,768.20
  6. Step 6: Final answer
    x = 151,287.15

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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.