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Finding the Fourth Proportional to 133,855.55, 200,683.47 and 80,535.04

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Solution

The fourth proportional to 133,855.55, 200,683.47 and 80,535.04 is: 120,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,855.55 : 200,683.47 = 80,535.04 : x
  2. Step 2: Convert to fraction form
    133,855.55/200,683.47 = 80,535.04/x
  3. Step 3: Cross multiply
    133,855.55x = 200,683.47 × 80,535.04
  4. Step 4: Simplify right side
    133,855.55x = 16,162,051,283.79
  5. Step 5: Solve for x
    x = 16,162,051,283.79/133,855.55
  6. Step 6: Final answer
    x = 120,742.48

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