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Finding the Fourth Proportional to 109,968.30, 164,952.45 and 57,480.30

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Solution

The fourth proportional to 109,968.30, 164,952.45 and 57,480.30 is: 86,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,968.30 : 164,952.45 = 57,480.30 : x
  2. Step 2: Convert to fraction form
    109,968.30/164,952.45 = 57,480.30/x
  3. Step 3: Cross multiply
    109,968.30x = 164,952.45 × 57,480.30
  4. Step 4: Simplify right side
    109,968.30x = 9,481,516,311.74
  5. Step 5: Solve for x
    x = 9,481,516,311.74/109,968.30
  6. Step 6: Final answer
    x = 86,220.45

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