Home / 135,867.72-203,801.38-89,109.64

Finding the Fourth Proportional to 135,867.72, 203,801.38 and 89,109.64

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Solution

The fourth proportional to 135,867.72, 203,801.38 and 89,109.64 is: 133,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,867.72 : 203,801.38 = 89,109.64 : x
  2. Step 2: Convert to fraction form
    135,867.72/203,801.38 = 89,109.64/x
  3. Step 3: Cross multiply
    135,867.72x = 203,801.38 × 89,109.64
  4. Step 4: Simplify right side
    135,867.72x = 18,160,667,603.30
  5. Step 5: Solve for x
    x = 18,160,667,603.30/135,867.72
  6. Step 6: Final answer
    x = 133,664.33

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