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Finding the Fourth Proportional to 189,836.25, 284,754.98 and 71,475.81

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Solution

The fourth proportional to 189,836.25, 284,754.98 and 71,475.81 is: 107,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,836.25 : 284,754.98 = 71,475.81 : x
  2. Step 2: Convert to fraction form
    189,836.25/284,754.98 = 71,475.81/x
  3. Step 3: Cross multiply
    189,836.25x = 284,754.98 × 71,475.81
  4. Step 4: Simplify right side
    189,836.25x = 20,353,092,847.03
  5. Step 5: Solve for x
    x = 20,353,092,847.03/189,836.25
  6. Step 6: Final answer
    x = 107,213.94

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