Home / 198,350.38-297,524.96-71,990.46

Finding the Fourth Proportional to 198,350.38, 297,524.96 and 71,990.46

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Solution

The fourth proportional to 198,350.38, 297,524.96 and 71,990.46 is: 107,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,350.38 : 297,524.96 = 71,990.46 : x
  2. Step 2: Convert to fraction form
    198,350.38/297,524.96 = 71,990.46/x
  3. Step 3: Cross multiply
    198,350.38x = 297,524.96 × 71,990.46
  4. Step 4: Simplify right side
    198,350.38x = 21,418,956,884.30
  5. Step 5: Solve for x
    x = 21,418,956,884.30/198,350.38
  6. Step 6: Final answer
    x = 107,985.46

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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.