Home / 136,591.28-204,879.54-52,391.78

Finding the Fourth Proportional to 136,591.28, 204,879.54 and 52,391.78

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Solution

The fourth proportional to 136,591.28, 204,879.54 and 52,391.78 is: 78,584.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,591.28 : 204,879.54 = 52,391.78 : x
  2. Step 2: Convert to fraction form
    136,591.28/204,879.54 = 52,391.78/x
  3. Step 3: Cross multiply
    136,591.28x = 204,879.54 × 52,391.78
  4. Step 4: Simplify right side
    136,591.28x = 10,734,003,786.18
  5. Step 5: Solve for x
    x = 10,734,003,786.18/136,591.28
  6. Step 6: Final answer
    x = 78,584.84

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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.