Home / 78,161.18-107,861.96-44,180.66

Finding the Fourth Proportional to 78,161.18, 107,861.96 and 44,180.66

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Solution

The fourth proportional to 78,161.18, 107,861.96 and 44,180.66 is: 60,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,161.18 : 107,861.96 = 44,180.66 : x
  2. Step 2: Convert to fraction form
    78,161.18/107,861.96 = 44,180.66/x
  3. Step 3: Cross multiply
    78,161.18x = 107,861.96 × 44,180.66
  4. Step 4: Simplify right side
    78,161.18x = 4,765,412,961.80
  5. Step 5: Solve for x
    x = 4,765,412,961.80/78,161.18
  6. Step 6: Final answer
    x = 60,969.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.