Home / 147,974.56-204,205.68-80,906.56

Finding the Fourth Proportional to 147,974.56, 204,205.68 and 80,906.56

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Solution

The fourth proportional to 147,974.56, 204,205.68 and 80,906.56 is: 111,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,974.56 : 204,205.68 = 80,906.56 : x
  2. Step 2: Convert to fraction form
    147,974.56/204,205.68 = 80,906.56/x
  3. Step 3: Cross multiply
    147,974.56x = 204,205.68 × 80,906.56
  4. Step 4: Simplify right side
    147,974.56x = 16,521,579,101.26
  5. Step 5: Solve for x
    x = 16,521,579,101.26/147,974.56
  6. Step 6: Final answer
    x = 111,651.48

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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.