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Finding the Fourth Proportional to 104,447.20, 144,136.68 and 56,700.16

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Solution

The fourth proportional to 104,447.20, 144,136.68 and 56,700.16 is: 78,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,447.20 : 144,136.68 = 56,700.16 : x
  2. Step 2: Convert to fraction form
    104,447.20/144,136.68 = 56,700.16/x
  3. Step 3: Cross multiply
    104,447.20x = 144,136.68 × 56,700.16
  4. Step 4: Simplify right side
    104,447.20x = 8,172,572,817.87
  5. Step 5: Solve for x
    x = 8,172,572,817.87/104,447.20
  6. Step 6: Final answer
    x = 78,245.97

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