Home / 195,028.80-269,136.36-108,989.16

Finding the Fourth Proportional to 195,028.80, 269,136.36 and 108,989.16

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Solution

The fourth proportional to 195,028.80, 269,136.36 and 108,989.16 is: 150,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,028.80 : 269,136.36 = 108,989.16 : x
  2. Step 2: Convert to fraction form
    195,028.80/269,136.36 = 108,989.16/x
  3. Step 3: Cross multiply
    195,028.80x = 269,136.36 × 108,989.16
  4. Step 4: Simplify right side
    195,028.80x = 29,332,945,801.86
  5. Step 5: Solve for x
    x = 29,332,945,801.86/195,028.80
  6. Step 6: Final answer
    x = 150,403.15

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1.5x scale

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.