Home / 236,939.20-355,356.33-68,422.84

Finding the Fourth Proportional to 236,939.20, 355,356.33 and 68,422.84

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Solution

The fourth proportional to 236,939.20, 355,356.33 and 68,422.84 is: 102,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,939.20 : 355,356.33 = 68,422.84 : x
  2. Step 2: Convert to fraction form
    236,939.20/355,356.33 = 68,422.84/x
  3. Step 3: Cross multiply
    236,939.20x = 355,356.33 × 68,422.84
  4. Step 4: Simplify right side
    236,939.20x = 24,314,489,310.58
  5. Step 5: Solve for x
    x = 24,314,489,310.58/236,939.20
  6. Step 6: Final answer
    x = 102,619.11

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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.