Home / 271,974.87-407,821.53-122,086.11

Finding the Fourth Proportional to 271,974.87, 407,821.53 and 122,086.11

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Solution

The fourth proportional to 271,974.87, 407,821.53 and 122,086.11 is: 183,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,974.87 : 407,821.53 = 122,086.11 : x
  2. Step 2: Convert to fraction form
    271,974.87/407,821.53 = 122,086.11/x
  3. Step 3: Cross multiply
    271,974.87x = 407,821.53 × 122,086.11
  4. Step 4: Simplify right side
    271,974.87x = 49,789,344,171.95
  5. Step 5: Solve for x
    x = 49,789,344,171.95/271,974.87
  6. Step 6: Final answer
    x = 183,065.97

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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.