Home / 222,313.38-306,791.64-126,819.90

Finding the Fourth Proportional to 222,313.38, 306,791.64 and 126,819.90

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Solution

The fourth proportional to 222,313.38, 306,791.64 and 126,819.90 is: 175,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,313.38 : 306,791.64 = 126,819.90 : x
  2. Step 2: Convert to fraction form
    222,313.38/306,791.64 = 126,819.90/x
  3. Step 3: Cross multiply
    222,313.38x = 306,791.64 × 126,819.90
  4. Step 4: Simplify right side
    222,313.38x = 38,907,285,105.64
  5. Step 5: Solve for x
    x = 38,907,285,105.64/222,313.38
  6. Step 6: Final answer
    x = 175,010.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.