Home / 198,035.50-273,306.27-108,628.78

Finding the Fourth Proportional to 198,035.50, 273,306.27 and 108,628.78

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Solution

The fourth proportional to 198,035.50, 273,306.27 and 108,628.78 is: 149,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,035.50 : 273,306.27 = 108,628.78 : x
  2. Step 2: Convert to fraction form
    198,035.50/273,306.27 = 108,628.78/x
  3. Step 3: Cross multiply
    198,035.50x = 273,306.27 × 108,628.78
  4. Step 4: Simplify right side
    198,035.50x = 29,688,926,676.45
  5. Step 5: Solve for x
    x = 29,688,926,676.45/198,035.50
  6. Step 6: Final answer
    x = 149,917.20

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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.