Home / 115,247.20-173,016.60-61,981.60

Finding the Fourth Proportional to 115,247.20, 173,016.60 and 61,981.60

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Solution

The fourth proportional to 115,247.20, 173,016.60 and 61,981.60 is: 93,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247.20 : 173,016.60 = 61,981.60 : x
  2. Step 2: Convert to fraction form
    115,247.20/173,016.60 = 61,981.60/x
  3. Step 3: Cross multiply
    115,247.20x = 173,016.60 × 61,981.60
  4. Step 4: Simplify right side
    115,247.20x = 10,723,845,694.56
  5. Step 5: Solve for x
    x = 10,723,845,694.56/115,247.20
  6. Step 6: Final answer
    x = 93,050.81

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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.