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Finding the Fourth Proportional to 117,631.62, 176,348.21 and 51,021.57

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Solution

The fourth proportional to 117,631.62, 176,348.21 and 51,021.57 is: 76,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,631.62 : 176,348.21 = 51,021.57 : x
  2. Step 2: Convert to fraction form
    117,631.62/176,348.21 = 51,021.57/x
  3. Step 3: Cross multiply
    117,631.62x = 176,348.21 × 51,021.57
  4. Step 4: Simplify right side
    117,631.62x = 8,997,562,881.60
  5. Step 5: Solve for x
    x = 8,997,562,881.60/117,631.62
  6. Step 6: Final answer
    x = 76,489.32

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