Home / 198,360.62-273,736.78-107,715.84

Finding the Fourth Proportional to 198,360.62, 273,736.78 and 107,715.84

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Solution

The fourth proportional to 198,360.62, 273,736.78 and 107,715.84 is: 148,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,360.62 : 273,736.78 = 107,715.84 : x
  2. Step 2: Convert to fraction form
    198,360.62/273,736.78 = 107,715.84/x
  3. Step 3: Cross multiply
    198,360.62x = 273,736.78 × 107,715.84
  4. Step 4: Simplify right side
    198,360.62x = 29,485,787,196.60
  5. Step 5: Solve for x
    x = 29,485,787,196.60/198,360.62
  6. Step 6: Final answer
    x = 148,647.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.