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Finding the Fourth Proportional to 235,891.26, 325,533.68 and 128,461.22

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Solution

The fourth proportional to 235,891.26, 325,533.68 and 128,461.22 is: 177,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,891.26 : 325,533.68 = 128,461.22 : x
  2. Step 2: Convert to fraction form
    235,891.26/325,533.68 = 128,461.22/x
  3. Step 3: Cross multiply
    235,891.26x = 325,533.68 × 128,461.22
  4. Step 4: Simplify right side
    235,891.26x = 41,818,452,923.43
  5. Step 5: Solve for x
    x = 41,818,452,923.43/235,891.26
  6. Step 6: Final answer
    x = 177,278.52

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