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Finding the Fourth Proportional to 135,145.44, 186,501.12 and 75,529.44

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Solution

The fourth proportional to 135,145.44, 186,501.12 and 75,529.44 is: 104,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,145.44 : 186,501.12 = 75,529.44 : x
  2. Step 2: Convert to fraction form
    135,145.44/186,501.12 = 75,529.44/x
  3. Step 3: Cross multiply
    135,145.44x = 186,501.12 × 75,529.44
  4. Step 4: Simplify right side
    135,145.44x = 14,086,325,152.97
  5. Step 5: Solve for x
    x = 14,086,325,152.97/135,145.44
  6. Step 6: Final answer
    x = 104,230.86

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