Home / 112,227.28-154,804.68-66,874

Finding the Fourth Proportional to 112,227.28, 154,804.68 and 66,874

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Solution

The fourth proportional to 112,227.28, 154,804.68 and 66,874 is: 92,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,227.28 : 154,804.68 = 66,874 : x
  2. Step 2: Convert to fraction form
    112,227.28/154,804.68 = 66,874/x
  3. Step 3: Cross multiply
    112,227.28x = 154,804.68 × 66,874
  4. Step 4: Simplify right side
    112,227.28x = 10,352,408,170.32
  5. Step 5: Solve for x
    x = 10,352,408,170.32/112,227.28
  6. Step 6: Final answer
    x = 92,245.02

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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.