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Finding the Fourth Proportional to 116,940.32, 161,365.20 and 69,195.68

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Solution

The fourth proportional to 116,940.32, 161,365.20 and 69,195.68 is: 95,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,940.32 : 161,365.20 = 69,195.68 : x
  2. Step 2: Convert to fraction form
    116,940.32/161,365.20 = 69,195.68/x
  3. Step 3: Cross multiply
    116,940.32x = 161,365.20 × 69,195.68
  4. Step 4: Simplify right side
    116,940.32x = 11,165,774,742.34
  5. Step 5: Solve for x
    x = 11,165,774,742.34/116,940.32
  6. Step 6: Final answer
    x = 95,482.68

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