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Finding the Fourth Proportional to 116,764.99, 161,173.74 and 86,540.65

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Solution

The fourth proportional to 116,764.99, 161,173.74 and 86,540.65 is: 119,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,764.99 : 161,173.74 = 86,540.65 : x
  2. Step 2: Convert to fraction form
    116,764.99/161,173.74 = 86,540.65/x
  3. Step 3: Cross multiply
    116,764.99x = 161,173.74 × 86,540.65
  4. Step 4: Simplify right side
    116,764.99x = 13,948,080,222.53
  5. Step 5: Solve for x
    x = 13,948,080,222.53/116,764.99
  6. Step 6: Final answer
    x = 119,454.30

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