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Finding the Fourth Proportional to 235,949.49, 325,615.28 and 128,519.26

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Solution

The fourth proportional to 235,949.49, 325,615.28 and 128,519.26 is: 177,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,949.49 : 325,615.28 = 128,519.26 : x
  2. Step 2: Convert to fraction form
    235,949.49/325,615.28 = 128,519.26/x
  3. Step 3: Cross multiply
    235,949.49x = 325,615.28 × 128,519.26
  4. Step 4: Simplify right side
    235,949.49x = 41,847,833,373.66
  5. Step 5: Solve for x
    x = 41,847,833,373.66/235,949.49
  6. Step 6: Final answer
    x = 177,359.29

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