Home / 79,180.42-118,761.07-20,016.61

Finding the Fourth Proportional to 79,180.42, 118,761.07 and 20,016.61

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Solution

The fourth proportional to 79,180.42, 118,761.07 and 20,016.61 is: 30,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180.42 : 118,761.07 = 20,016.61 : x
  2. Step 2: Convert to fraction form
    79,180.42/118,761.07 = 20,016.61/x
  3. Step 3: Cross multiply
    79,180.42x = 118,761.07 × 20,016.61
  4. Step 4: Simplify right side
    79,180.42x = 2,377,194,021.37
  5. Step 5: Solve for x
    x = 2,377,194,021.37/79,180.42
  6. Step 6: Final answer
    x = 30,022.50

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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.