Home / 222,078.20-333,002.10-81,764.60

Finding the Fourth Proportional to 222,078.20, 333,002.10 and 81,764.60

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Solution

The fourth proportional to 222,078.20, 333,002.10 and 81,764.60 is: 122,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,078.20 : 333,002.10 = 81,764.60 : x
  2. Step 2: Convert to fraction form
    222,078.20/333,002.10 = 81,764.60/x
  3. Step 3: Cross multiply
    222,078.20x = 333,002.10 × 81,764.60
  4. Step 4: Simplify right side
    222,078.20x = 27,227,783,505.66
  5. Step 5: Solve for x
    x = 27,227,783,505.66/222,078.20
  6. Step 6: Final answer
    x = 122,604.49

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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.