Home / 172,960.40-259,440.60-60,767.30

Finding the Fourth Proportional to 172,960.40, 259,440.60 and 60,767.30

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Solution

The fourth proportional to 172,960.40, 259,440.60 and 60,767.30 is: 91,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,960.40 : 259,440.60 = 60,767.30 : x
  2. Step 2: Convert to fraction form
    172,960.40/259,440.60 = 60,767.30/x
  3. Step 3: Cross multiply
    172,960.40x = 259,440.60 × 60,767.30
  4. Step 4: Simplify right side
    172,960.40x = 15,765,504,772.38
  5. Step 5: Solve for x
    x = 15,765,504,772.38/172,960.40
  6. Step 6: Final answer
    x = 91,150.95

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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.