Home / 149,414.12-206,188.44-82,346.12

Finding the Fourth Proportional to 149,414.12, 206,188.44 and 82,346.12

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Solution

The fourth proportional to 149,414.12, 206,188.44 and 82,346.12 is: 113,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,414.12 : 206,188.44 = 82,346.12 : x
  2. Step 2: Convert to fraction form
    149,414.12/206,188.44 = 82,346.12/x
  3. Step 3: Cross multiply
    149,414.12x = 206,188.44 × 82,346.12
  4. Step 4: Simplify right side
    149,414.12x = 16,978,818,022.85
  5. Step 5: Solve for x
    x = 16,978,818,022.85/149,414.12
  6. Step 6: Final answer
    x = 113,635.97

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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.