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Finding the Fourth Proportional to 106,536.02, 159,651.75 and 78,234.08

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Solution

The fourth proportional to 106,536.02, 159,651.75 and 78,234.08 is: 117,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,536.02 : 159,651.75 = 78,234.08 : x
  2. Step 2: Convert to fraction form
    106,536.02/159,651.75 = 78,234.08/x
  3. Step 3: Cross multiply
    106,536.02x = 159,651.75 × 78,234.08
  4. Step 4: Simplify right side
    106,536.02x = 12,490,207,781.64
  5. Step 5: Solve for x
    x = 12,490,207,781.64/106,536.02
  6. Step 6: Final answer
    x = 117,239.29

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