Home / 79,184.68-118,765.86-20,016.70

Finding the Fourth Proportional to 79,184.68, 118,765.86 and 20,016.70

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Solution

The fourth proportional to 79,184.68, 118,765.86 and 20,016.70 is: 30,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.68 : 118,765.86 = 20,016.70 : x
  2. Step 2: Convert to fraction form
    79,184.68/118,765.86 = 20,016.70/x
  3. Step 3: Cross multiply
    79,184.68x = 118,765.86 × 20,016.70
  4. Step 4: Simplify right side
    79,184.68x = 2,377,300,589.86
  5. Step 5: Solve for x
    x = 2,377,300,589.86/79,184.68
  6. Step 6: Final answer
    x = 30,022.23

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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.