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Finding the Fourth Proportional to 111,018.64, 166,552.53 and 51,821.98

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Solution

The fourth proportional to 111,018.64, 166,552.53 and 51,821.98 is: 77,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,018.64 : 166,552.53 = 51,821.98 : x
  2. Step 2: Convert to fraction form
    111,018.64/166,552.53 = 51,821.98/x
  3. Step 3: Cross multiply
    111,018.64x = 166,552.53 × 51,821.98
  4. Step 4: Simplify right side
    111,018.64x = 8,631,081,878.61
  5. Step 5: Solve for x
    x = 8,631,081,878.61/111,018.64
  6. Step 6: Final answer
    x = 77,744.44

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