Home / 102,682.20-154,001.70-43,519.80

Finding the Fourth Proportional to 102,682.20, 154,001.70 and 43,519.80

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Solution

The fourth proportional to 102,682.20, 154,001.70 and 43,519.80 is: 65,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,682.20 : 154,001.70 = 43,519.80 : x
  2. Step 2: Convert to fraction form
    102,682.20/154,001.70 = 43,519.80/x
  3. Step 3: Cross multiply
    102,682.20x = 154,001.70 × 43,519.80
  4. Step 4: Simplify right side
    102,682.20x = 6,702,123,183.66
  5. Step 5: Solve for x
    x = 6,702,123,183.66/102,682.20
  6. Step 6: Final answer
    x = 65,270.55

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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.