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Finding the Fourth Proportional to 109,393.45, 164,090.15 and 26,287.45

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Solution

The fourth proportional to 109,393.45, 164,090.15 and 26,287.45 is: 39,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,393.45 : 164,090.15 = 26,287.45 : x
  2. Step 2: Convert to fraction form
    109,393.45/164,090.15 = 26,287.45/x
  3. Step 3: Cross multiply
    109,393.45x = 164,090.15 × 26,287.45
  4. Step 4: Simplify right side
    109,393.45x = 4,313,511,071.95
  5. Step 5: Solve for x
    x = 4,313,511,071.95/109,393.45
  6. Step 6: Final answer
    x = 39,431.16

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