Home / 180,939.42-271,367.82-68,632.11

Finding the Fourth Proportional to 180,939.42, 271,367.82 and 68,632.11

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Solution

The fourth proportional to 180,939.42, 271,367.82 and 68,632.11 is: 102,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,939.42 : 271,367.82 = 68,632.11 : x
  2. Step 2: Convert to fraction form
    180,939.42/271,367.82 = 68,632.11/x
  3. Step 3: Cross multiply
    180,939.42x = 271,367.82 × 68,632.11
  4. Step 4: Simplify right side
    180,939.42x = 18,624,546,072.70
  5. Step 5: Solve for x
    x = 18,624,546,072.70/180,939.42
  6. Step 6: Final answer
    x = 102,932.50

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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.