Home / 102,935.20-154,388.40-32,821.60

Finding the Fourth Proportional to 102,935.20, 154,388.40 and 32,821.60

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Solution

The fourth proportional to 102,935.20, 154,388.40 and 32,821.60 is: 49,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,935.20 : 154,388.40 = 32,821.60 : x
  2. Step 2: Convert to fraction form
    102,935.20/154,388.40 = 32,821.60/x
  3. Step 3: Cross multiply
    102,935.20x = 154,388.40 × 32,821.60
  4. Step 4: Simplify right side
    102,935.20x = 5,067,274,309.44
  5. Step 5: Solve for x
    x = 5,067,274,309.44/102,935.20
  6. Step 6: Final answer
    x = 49,227.81

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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.