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Finding the Fourth Proportional to 191,142.44, 263,753.52 and 105,087.20

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Solution

The fourth proportional to 191,142.44, 263,753.52 and 105,087.20 is: 145,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,142.44 : 263,753.52 = 105,087.20 : x
  2. Step 2: Convert to fraction form
    191,142.44/263,753.52 = 105,087.20/x
  3. Step 3: Cross multiply
    191,142.44x = 263,753.52 × 105,087.20
  4. Step 4: Simplify right side
    191,142.44x = 27,717,118,906.94
  5. Step 5: Solve for x
    x = 27,717,118,906.94/191,142.44
  6. Step 6: Final answer
    x = 145,007.67

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