Home / 198,289.52-297,447.88-79,961.84

Finding the Fourth Proportional to 198,289.52, 297,447.88 and 79,961.84

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Solution

The fourth proportional to 198,289.52, 297,447.88 and 79,961.84 is: 119,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,289.52 : 297,447.88 = 79,961.84 : x
  2. Step 2: Convert to fraction form
    198,289.52/297,447.88 = 79,961.84/x
  3. Step 3: Cross multiply
    198,289.52x = 297,447.88 × 79,961.84
  4. Step 4: Simplify right side
    198,289.52x = 23,784,479,788.90
  5. Step 5: Solve for x
    x = 23,784,479,788.90/198,289.52
  6. Step 6: Final answer
    x = 119,948.24

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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.