Home / 129,861.20-194,751.30-50,999.60

Finding the Fourth Proportional to 129,861.20, 194,751.30 and 50,999.60

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Solution

The fourth proportional to 129,861.20, 194,751.30 and 50,999.60 is: 76,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,861.20 : 194,751.30 = 50,999.60 : x
  2. Step 2: Convert to fraction form
    129,861.20/194,751.30 = 50,999.60/x
  3. Step 3: Cross multiply
    129,861.20x = 194,751.30 × 50,999.60
  4. Step 4: Simplify right side
    129,861.20x = 9,932,238,399.48
  5. Step 5: Solve for x
    x = 9,932,238,399.48/129,861.20
  6. Step 6: Final answer
    x = 76,483.49

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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.