Home / 129,845.35-194,650.47-50,938.39

Finding the Fourth Proportional to 129,845.35, 194,650.47 and 50,938.39

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Solution

The fourth proportional to 129,845.35, 194,650.47 and 50,938.39 is: 76,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,845.35 : 194,650.47 = 50,938.39 : x
  2. Step 2: Convert to fraction form
    129,845.35/194,650.47 = 50,938.39/x
  3. Step 3: Cross multiply
    129,845.35x = 194,650.47 × 50,938.39
  4. Step 4: Simplify right side
    129,845.35x = 9,915,181,554.54
  5. Step 5: Solve for x
    x = 9,915,181,554.54/129,845.35
  6. Step 6: Final answer
    x = 76,361.47

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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.