Home / 221,736.20-332,604.30-133,089.80

Finding the Fourth Proportional to 221,736.20, 332,604.30 and 133,089.80

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Solution

The fourth proportional to 221,736.20, 332,604.30 and 133,089.80 is: 199,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,736.20 : 332,604.30 = 133,089.80 : x
  2. Step 2: Convert to fraction form
    221,736.20/332,604.30 = 133,089.80/x
  3. Step 3: Cross multiply
    221,736.20x = 332,604.30 × 133,089.80
  4. Step 4: Simplify right side
    221,736.20x = 44,266,239,766.14
  5. Step 5: Solve for x
    x = 44,266,239,766.14/221,736.20
  6. Step 6: Final answer
    x = 199,634.70

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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.