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Finding the Fourth Proportional to 142,659.50, 196,836.30 and 84,486.85

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Solution

The fourth proportional to 142,659.50, 196,836.30 and 84,486.85 is: 116,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,659.50 : 196,836.30 = 84,486.85 : x
  2. Step 2: Convert to fraction form
    142,659.50/196,836.30 = 84,486.85/x
  3. Step 3: Cross multiply
    142,659.50x = 196,836.30 × 84,486.85
  4. Step 4: Simplify right side
    142,659.50x = 16,630,078,460.56
  5. Step 5: Solve for x
    x = 16,630,078,460.56/142,659.50
  6. Step 6: Final answer
    x = 116,571.83

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