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Finding the Fourth Proportional to 120,784.53, 166,698.02 and 73,038.21

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Solution

The fourth proportional to 120,784.53, 166,698.02 and 73,038.21 is: 100,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,784.53 : 166,698.02 = 73,038.21 : x
  2. Step 2: Convert to fraction form
    120,784.53/166,698.02 = 73,038.21/x
  3. Step 3: Cross multiply
    120,784.53x = 166,698.02 × 73,038.21
  4. Step 4: Simplify right side
    120,784.53x = 12,175,324,626.15
  5. Step 5: Solve for x
    x = 12,175,324,626.15/120,784.53
  6. Step 6: Final answer
    x = 100,802.02

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