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Finding the Fourth Proportional to 223,759.28, 308,790.33 and 121,785.39

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Solution

The fourth proportional to 223,759.28, 308,790.33 and 121,785.39 is: 168,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,759.28 : 308,790.33 = 121,785.39 : x
  2. Step 2: Convert to fraction form
    223,759.28/308,790.33 = 121,785.39/x
  3. Step 3: Cross multiply
    223,759.28x = 308,790.33 × 121,785.39
  4. Step 4: Simplify right side
    223,759.28x = 37,606,150,310.58
  5. Step 5: Solve for x
    x = 37,606,150,310.58/223,759.28
  6. Step 6: Final answer
    x = 168,065.21

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