Home / 198,856.68-298,578.78-132,708.84

Finding the Fourth Proportional to 198,856.68, 298,578.78 and 132,708.84

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Solution

The fourth proportional to 198,856.68, 298,578.78 and 132,708.84 is: 199,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,856.68 : 298,578.78 = 132,708.84 : x
  2. Step 2: Convert to fraction form
    198,856.68/298,578.78 = 132,708.84/x
  3. Step 3: Cross multiply
    198,856.68x = 298,578.78 × 132,708.84
  4. Step 4: Simplify right side
    198,856.68x = 39,624,043,542.42
  5. Step 5: Solve for x
    x = 39,624,043,542.42/198,856.68
  6. Step 6: Final answer
    x = 199,259.30

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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.