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Finding the Fourth Proportional to 117,069.50, 161,556.30 and 63,354.50

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Solution

The fourth proportional to 117,069.50, 161,556.30 and 63,354.50 is: 87,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,069.50 : 161,556.30 = 63,354.50 : x
  2. Step 2: Convert to fraction form
    117,069.50/161,556.30 = 63,354.50/x
  3. Step 3: Cross multiply
    117,069.50x = 161,556.30 × 63,354.50
  4. Step 4: Simplify right side
    117,069.50x = 10,235,317,800.57
  5. Step 5: Solve for x
    x = 10,235,317,800.57/117,069.50
  6. Step 6: Final answer
    x = 87,429.42

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