Home / 204,120.90-306,181.47-111,217.14

Finding the Fourth Proportional to 204,120.90, 306,181.47 and 111,217.14

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Solution

The fourth proportional to 204,120.90, 306,181.47 and 111,217.14 is: 166,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,120.90 : 306,181.47 = 111,217.14 : x
  2. Step 2: Convert to fraction form
    204,120.90/306,181.47 = 111,217.14/x
  3. Step 3: Cross multiply
    204,120.90x = 306,181.47 × 111,217.14
  4. Step 4: Simplify right side
    204,120.90x = 34,052,627,414.40
  5. Step 5: Solve for x
    x = 34,052,627,414.40/204,120.90
  6. Step 6: Final answer
    x = 166,825.78

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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.