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Finding the Fourth Proportional to 117,009.10, 175,513.65 and 104,761.90

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Solution

The fourth proportional to 117,009.10, 175,513.65 and 104,761.90 is: 157,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.10 : 175,513.65 = 104,761.90 : x
  2. Step 2: Convert to fraction form
    117,009.10/175,513.65 = 104,761.90/x
  3. Step 3: Cross multiply
    117,009.10x = 175,513.65 × 104,761.90
  4. Step 4: Simplify right side
    117,009.10x = 18,387,143,449.94
  5. Step 5: Solve for x
    x = 18,387,143,449.94/117,009.10
  6. Step 6: Final answer
    x = 157,142.85

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