Home / 72,119.19-108,179.03-22,198.98

Finding the Fourth Proportional to 72,119.19, 108,179.03 and 22,198.98

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Solution

The fourth proportional to 72,119.19, 108,179.03 and 22,198.98 is: 33,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,119.19 : 108,179.03 = 22,198.98 : x
  2. Step 2: Convert to fraction form
    72,119.19/108,179.03 = 22,198.98/x
  3. Step 3: Cross multiply
    72,119.19x = 108,179.03 × 22,198.98
  4. Step 4: Simplify right side
    72,119.19x = 2,401,463,851.18
  5. Step 5: Solve for x
    x = 2,401,463,851.18/72,119.19
  6. Step 6: Final answer
    x = 33,298.54

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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.