Home / 198,006.80-297,010.20-109,214.60

Finding the Fourth Proportional to 198,006.80, 297,010.20 and 109,214.60

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Solution

The fourth proportional to 198,006.80, 297,010.20 and 109,214.60 is: 163,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,006.80 : 297,010.20 = 109,214.60 : x
  2. Step 2: Convert to fraction form
    198,006.80/297,010.20 = 109,214.60/x
  3. Step 3: Cross multiply
    198,006.80x = 297,010.20 × 109,214.60
  4. Step 4: Simplify right side
    198,006.80x = 32,437,850,188.92
  5. Step 5: Solve for x
    x = 32,437,850,188.92/198,006.80
  6. Step 6: Final answer
    x = 163,821.90

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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.