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Finding the Fourth Proportional to 116,774.50, 161,175.05 and 76,464.85

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Solution

The fourth proportional to 116,774.50, 161,175.05 and 76,464.85 is: 105,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,774.50 : 161,175.05 = 76,464.85 : x
  2. Step 2: Convert to fraction form
    116,774.50/161,175.05 = 76,464.85/x
  3. Step 3: Cross multiply
    116,774.50x = 161,175.05 × 76,464.85
  4. Step 4: Simplify right side
    116,774.50x = 12,324,226,021.99
  5. Step 5: Solve for x
    x = 12,324,226,021.99/116,774.50
  6. Step 6: Final answer
    x = 105,538.68

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