Home / 195,286.21-269,484.12-109,228.57

Finding the Fourth Proportional to 195,286.21, 269,484.12 and 109,228.57

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Solution

The fourth proportional to 195,286.21, 269,484.12 and 109,228.57 is: 150,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,286.21 : 269,484.12 = 109,228.57 : x
  2. Step 2: Convert to fraction form
    195,286.21/269,484.12 = 109,228.57/x
  3. Step 3: Cross multiply
    195,286.21x = 269,484.12 × 109,228.57
  4. Step 4: Simplify right side
    195,286.21x = 29,435,364,391.60
  5. Step 5: Solve for x
    x = 29,435,364,391.60/195,286.21
  6. Step 6: Final answer
    x = 150,729.36

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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.