Home / 203,910.24-305,696.90-89,976.92

Finding the Fourth Proportional to 203,910.24, 305,696.90 and 89,976.92

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Solution

The fourth proportional to 203,910.24, 305,696.90 and 89,976.92 is: 134,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,910.24 : 305,696.90 = 89,976.92 : x
  2. Step 2: Convert to fraction form
    203,910.24/305,696.90 = 89,976.92/x
  3. Step 3: Cross multiply
    203,910.24x = 305,696.90 × 89,976.92
  4. Step 4: Simplify right side
    203,910.24x = 27,505,665,515.55
  5. Step 5: Solve for x
    x = 27,505,665,515.55/203,910.24
  6. Step 6: Final answer
    x = 134,891.05

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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.