Home / 109,414.73-164,122.14-84,491.21

Finding the Fourth Proportional to 109,414.73, 164,122.14 and 84,491.21

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Solution

The fourth proportional to 109,414.73, 164,122.14 and 84,491.21 is: 126,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,414.73 : 164,122.14 = 84,491.21 : x
  2. Step 2: Convert to fraction form
    109,414.73/164,122.14 = 84,491.21/x
  3. Step 3: Cross multiply
    109,414.73x = 164,122.14 × 84,491.21
  4. Step 4: Simplify right side
    109,414.73x = 13,866,878,196.39
  5. Step 5: Solve for x
    x = 13,866,878,196.39/109,414.73
  6. Step 6: Final answer
    x = 126,736.85

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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.