Home / 220,446.20-330,842.10-102,132.20

Finding the Fourth Proportional to 220,446.20, 330,842.10 and 102,132.20

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Solution

The fourth proportional to 220,446.20, 330,842.10 and 102,132.20 is: 153,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,446.20 : 330,842.10 = 102,132.20 : x
  2. Step 2: Convert to fraction form
    220,446.20/330,842.10 = 102,132.20/x
  3. Step 3: Cross multiply
    220,446.20x = 330,842.10 × 102,132.20
  4. Step 4: Simplify right side
    220,446.20x = 33,789,631,525.62
  5. Step 5: Solve for x
    x = 33,789,631,525.62/220,446.20
  6. Step 6: Final answer
    x = 153,278.36

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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.