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Finding the Fourth Proportional to 117,309.80, 161,980.72 and 108,354.08

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Solution

The fourth proportional to 117,309.80, 161,980.72 and 108,354.08 is: 149,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,309.80 : 161,980.72 = 108,354.08 : x
  2. Step 2: Convert to fraction form
    117,309.80/161,980.72 = 108,354.08/x
  3. Step 3: Cross multiply
    117,309.80x = 161,980.72 × 108,354.08
  4. Step 4: Simplify right side
    117,309.80x = 17,551,271,893.34
  5. Step 5: Solve for x
    x = 17,551,271,893.34/117,309.80
  6. Step 6: Final answer
    x = 149,614.71

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