Home / 198,532.80-297,799.20-109,740.60

Finding the Fourth Proportional to 198,532.80, 297,799.20 and 109,740.60

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Solution

The fourth proportional to 198,532.80, 297,799.20 and 109,740.60 is: 164,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,532.80 : 297,799.20 = 109,740.60 : x
  2. Step 2: Convert to fraction form
    198,532.80/297,799.20 = 109,740.60/x
  3. Step 3: Cross multiply
    198,532.80x = 297,799.20 × 109,740.60
  4. Step 4: Simplify right side
    198,532.80x = 32,680,662,887.52
  5. Step 5: Solve for x
    x = 32,680,662,887.52/198,532.80
  6. Step 6: Final answer
    x = 164,610.90

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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.