Home / 109,511.11-164,286.92-34,650.10

Finding the Fourth Proportional to 109,511.11, 164,286.92 and 34,650.10

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Solution

The fourth proportional to 109,511.11, 164,286.92 and 34,650.10 is: 51,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,511.11 : 164,286.92 = 34,650.10 : x
  2. Step 2: Convert to fraction form
    109,511.11/164,286.92 = 34,650.10/x
  3. Step 3: Cross multiply
    109,511.11x = 164,286.92 × 34,650.10
  4. Step 4: Simplify right side
    109,511.11x = 5,692,557,882.60
  5. Step 5: Solve for x
    x = 5,692,557,882.60/109,511.11
  6. Step 6: Final answer
    x = 51,981.56

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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.