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Finding the Fourth Proportional to 190,429.85, 285,684.82 and 72,098.57

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Solution

The fourth proportional to 190,429.85, 285,684.82 and 72,098.57 is: 108,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,429.85 : 285,684.82 = 72,098.57 : x
  2. Step 2: Convert to fraction form
    190,429.85/285,684.82 = 72,098.57/x
  3. Step 3: Cross multiply
    190,429.85x = 285,684.82 × 72,098.57
  4. Step 4: Simplify right side
    190,429.85x = 20,597,465,384.04
  5. Step 5: Solve for x
    x = 20,597,465,384.04/190,429.85
  6. Step 6: Final answer
    x = 108,163.01

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