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Finding the Fourth Proportional to 110,730.80, 166,096.20 and 77,553.20

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Solution

The fourth proportional to 110,730.80, 166,096.20 and 77,553.20 is: 116,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,730.80 : 166,096.20 = 77,553.20 : x
  2. Step 2: Convert to fraction form
    110,730.80/166,096.20 = 77,553.20/x
  3. Step 3: Cross multiply
    110,730.80x = 166,096.20 × 77,553.20
  4. Step 4: Simplify right side
    110,730.80x = 12,881,291,817.84
  5. Step 5: Solve for x
    x = 12,881,291,817.84/110,730.80
  6. Step 6: Final answer
    x = 116,329.80

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