Home / 198,800.58-298,199.43-80,470.23

Finding the Fourth Proportional to 198,800.58, 298,199.43 and 80,470.23

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Solution

The fourth proportional to 198,800.58, 298,199.43 and 80,470.23 is: 120,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,800.58 : 298,199.43 = 80,470.23 : x
  2. Step 2: Convert to fraction form
    198,800.58/298,199.43 = 80,470.23/x
  3. Step 3: Cross multiply
    198,800.58x = 298,199.43 × 80,470.23
  4. Step 4: Simplify right side
    198,800.58x = 23,996,176,717.97
  5. Step 5: Solve for x
    x = 23,996,176,717.97/198,800.58
  6. Step 6: Final answer
    x = 120,704.76

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1.5x scale

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.