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Finding the Fourth Proportional to 116,560.88, 174,932.80 and 81,270.80

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Solution

The fourth proportional to 116,560.88, 174,932.80 and 81,270.80 is: 121,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,560.88 : 174,932.80 = 81,270.80 : x
  2. Step 2: Convert to fraction form
    116,560.88/174,932.80 = 81,270.80/x
  3. Step 3: Cross multiply
    116,560.88x = 174,932.80 × 81,270.80
  4. Step 4: Simplify right side
    116,560.88x = 14,216,928,602.24
  5. Step 5: Solve for x
    x = 14,216,928,602.24/116,560.88
  6. Step 6: Final answer
    x = 121,969.98

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