Home / 100,440.12-150,661.26-30,320.04

Finding the Fourth Proportional to 100,440.12, 150,661.26 and 30,320.04

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Solution

The fourth proportional to 100,440.12, 150,661.26 and 30,320.04 is: 45,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,440.12 : 150,661.26 = 30,320.04 : x
  2. Step 2: Convert to fraction form
    100,440.12/150,661.26 = 30,320.04/x
  3. Step 3: Cross multiply
    100,440.12x = 150,661.26 × 30,320.04
  4. Step 4: Simplify right side
    100,440.12x = 4,568,055,429.65
  5. Step 5: Solve for x
    x = 4,568,055,429.65/100,440.12
  6. Step 6: Final answer
    x = 45,480.39

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