Home / 79,344.23-119,015.84-20,179.39

Finding the Fourth Proportional to 79,344.23, 119,015.84 and 20,179.39

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Solution

The fourth proportional to 79,344.23, 119,015.84 and 20,179.39 is: 30,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344.23 : 119,015.84 = 20,179.39 : x
  2. Step 2: Convert to fraction form
    79,344.23/119,015.84 = 20,179.39/x
  3. Step 3: Cross multiply
    79,344.23x = 119,015.84 × 20,179.39
  4. Step 4: Simplify right side
    79,344.23x = 2,401,667,099.41
  5. Step 5: Solve for x
    x = 2,401,667,099.41/79,344.23
  6. Step 6: Final answer
    x = 30,268.96

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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.