Home / 220,982.60-331,589.10-96,336.20

Finding the Fourth Proportional to 220,982.60, 331,589.10 and 96,336.20

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Solution

The fourth proportional to 220,982.60, 331,589.10 and 96,336.20 is: 144,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,982.60 : 331,589.10 = 96,336.20 : x
  2. Step 2: Convert to fraction form
    220,982.60/331,589.10 = 96,336.20/x
  3. Step 3: Cross multiply
    220,982.60x = 331,589.10 × 96,336.20
  4. Step 4: Simplify right side
    220,982.60x = 31,944,033,855.42
  5. Step 5: Solve for x
    x = 31,944,033,855.42/220,982.60
  6. Step 6: Final answer
    x = 144,554.52

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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.