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Finding the Fourth Proportional to 190,671.78, 285,895.53 and 72,351.44

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Solution

The fourth proportional to 190,671.78, 285,895.53 and 72,351.44 is: 108,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,671.78 : 285,895.53 = 72,351.44 : x
  2. Step 2: Convert to fraction form
    190,671.78/285,895.53 = 72,351.44/x
  3. Step 3: Cross multiply
    190,671.78x = 285,895.53 × 72,351.44
  4. Step 4: Simplify right side
    190,671.78x = 20,684,953,285.06
  5. Step 5: Solve for x
    x = 20,684,953,285.06/190,671.78
  6. Step 6: Final answer
    x = 108,484.61

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