Home / 172,179.30-258,288.57-45,824.73

Finding the Fourth Proportional to 172,179.30, 258,288.57 and 45,824.73

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Solution

The fourth proportional to 172,179.30, 258,288.57 and 45,824.73 is: 68,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,179.30 : 258,288.57 = 45,824.73 : x
  2. Step 2: Convert to fraction form
    172,179.30/258,288.57 = 45,824.73/x
  3. Step 3: Cross multiply
    172,179.30x = 258,288.57 × 45,824.73
  4. Step 4: Simplify right side
    172,179.30x = 11,836,003,982.34
  5. Step 5: Solve for x
    x = 11,836,003,982.34/172,179.30
  6. Step 6: Final answer
    x = 68,742.32

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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.