Home / 102,800.22-154,086.97-67,246.78

Finding the Fourth Proportional to 102,800.22, 154,086.97 and 67,246.78

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Solution

The fourth proportional to 102,800.22, 154,086.97 and 67,246.78 is: 100,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,800.22 : 154,086.97 = 67,246.78 : x
  2. Step 2: Convert to fraction form
    102,800.22/154,086.97 = 67,246.78/x
  3. Step 3: Cross multiply
    102,800.22x = 154,086.97 × 67,246.78
  4. Step 4: Simplify right side
    102,800.22x = 10,361,852,572.46
  5. Step 5: Solve for x
    x = 10,361,852,572.46/102,800.22
  6. Step 6: Final answer
    x = 100,796.02

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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.