Home / 180,789.84-271,187.62-68,439.90

Finding the Fourth Proportional to 180,789.84, 271,187.62 and 68,439.90

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Solution

The fourth proportional to 180,789.84, 271,187.62 and 68,439.90 is: 102,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,789.84 : 271,187.62 = 68,439.90 : x
  2. Step 2: Convert to fraction form
    180,789.84/271,187.62 = 68,439.90/x
  3. Step 3: Cross multiply
    180,789.84x = 271,187.62 × 68,439.90
  4. Step 4: Simplify right side
    180,789.84x = 18,560,053,594.04
  5. Step 5: Solve for x
    x = 18,560,053,594.04/180,789.84
  6. Step 6: Final answer
    x = 102,660.93

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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.