Home / 147,940.20-221,910.30-132,193.80

Finding the Fourth Proportional to 147,940.20, 221,910.30 and 132,193.80

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Solution

The fourth proportional to 147,940.20, 221,910.30 and 132,193.80 is: 198,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,940.20 : 221,910.30 = 132,193.80 : x
  2. Step 2: Convert to fraction form
    147,940.20/221,910.30 = 132,193.80/x
  3. Step 3: Cross multiply
    147,940.20x = 221,910.30 × 132,193.80
  4. Step 4: Simplify right side
    147,940.20x = 29,335,165,816.14
  5. Step 5: Solve for x
    x = 29,335,165,816.14/147,940.20
  6. Step 6: Final answer
    x = 198,290.70

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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.