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Finding the Fourth Proportional to 116,647.30, 160,972.95 and 66,346.30

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Solution

The fourth proportional to 116,647.30, 160,972.95 and 66,346.30 is: 91,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,647.30 : 160,972.95 = 66,346.30 : x
  2. Step 2: Convert to fraction form
    116,647.30/160,972.95 = 66,346.30/x
  3. Step 3: Cross multiply
    116,647.30x = 160,972.95 × 66,346.30
  4. Step 4: Simplify right side
    116,647.30x = 10,679,959,632.59
  5. Step 5: Solve for x
    x = 10,679,959,632.59/116,647.30
  6. Step 6: Final answer
    x = 91,557.71

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