Home / 129,845.85-194,651.22-50,938.89

Finding the Fourth Proportional to 129,845.85, 194,651.22 and 50,938.89

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Solution

The fourth proportional to 129,845.85, 194,651.22 and 50,938.89 is: 76,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,845.85 : 194,651.22 = 50,938.89 : x
  2. Step 2: Convert to fraction form
    129,845.85/194,651.22 = 50,938.89/x
  3. Step 3: Cross multiply
    129,845.85x = 194,651.22 × 50,938.89
  4. Step 4: Simplify right side
    129,845.85x = 9,915,317,083.95
  5. Step 5: Solve for x
    x = 9,915,317,083.95/129,845.85
  6. Step 6: Final answer
    x = 76,362.22

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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.