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Finding the Fourth Proportional to 190,674.72, 285,899.94 and 72,354.38

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Solution

The fourth proportional to 190,674.72, 285,899.94 and 72,354.38 is: 108,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,674.72 : 285,899.94 = 72,354.38 : x
  2. Step 2: Convert to fraction form
    190,674.72/285,899.94 = 72,354.38/x
  3. Step 3: Cross multiply
    190,674.72x = 285,899.94 × 72,354.38
  4. Step 4: Simplify right side
    190,674.72x = 20,686,111,471.24
  5. Step 5: Solve for x
    x = 20,686,111,471.24/190,674.72
  6. Step 6: Final answer
    x = 108,489.01

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