Home / 198,826.84-298,230.30-74,158.12

Finding the Fourth Proportional to 198,826.84, 298,230.30 and 74,158.12

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Solution

The fourth proportional to 198,826.84, 298,230.30 and 74,158.12 is: 111,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,826.84 : 298,230.30 = 74,158.12 : x
  2. Step 2: Convert to fraction form
    198,826.84/298,230.30 = 74,158.12/x
  3. Step 3: Cross multiply
    198,826.84x = 298,230.30 × 74,158.12
  4. Step 4: Simplify right side
    198,826.84x = 22,116,198,375.04
  5. Step 5: Solve for x
    x = 22,116,198,375.04/198,826.84
  6. Step 6: Final answer
    x = 111,233.47

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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.