Home / 192,742.57-288,947.56-92,765.21

Finding the Fourth Proportional to 192,742.57, 288,947.56 and 92,765.21

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Solution

The fourth proportional to 192,742.57, 288,947.56 and 92,765.21 is: 139,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,742.57 : 288,947.56 = 92,765.21 : x
  2. Step 2: Convert to fraction form
    192,742.57/288,947.56 = 92,765.21/x
  3. Step 3: Cross multiply
    192,742.57x = 288,947.56 × 92,765.21
  4. Step 4: Simplify right side
    192,742.57x = 26,804,281,082.39
  5. Step 5: Solve for x
    x = 26,804,281,082.39/192,742.57
  6. Step 6: Final answer
    x = 139,067.78

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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.