Home / 195,287.21-269,485.50-109,229.57

Finding the Fourth Proportional to 195,287.21, 269,485.50 and 109,229.57

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Solution

The fourth proportional to 195,287.21, 269,485.50 and 109,229.57 is: 150,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,287.21 : 269,485.50 = 109,229.57 : x
  2. Step 2: Convert to fraction form
    195,287.21/269,485.50 = 109,229.57/x
  3. Step 3: Cross multiply
    195,287.21x = 269,485.50 × 109,229.57
  4. Step 4: Simplify right side
    195,287.21x = 29,435,785,286.24
  5. Step 5: Solve for x
    x = 29,435,785,286.24/195,287.21
  6. Step 6: Final answer
    x = 150,730.74

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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.