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Finding the Fourth Proportional to 117,965.57, 176,976.29 and 51,417.59

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Solution

The fourth proportional to 117,965.57, 176,976.29 and 51,417.59 is: 77,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,965.57 : 176,976.29 = 51,417.59 : x
  2. Step 2: Convert to fraction form
    117,965.57/176,976.29 = 51,417.59/x
  3. Step 3: Cross multiply
    117,965.57x = 176,976.29 × 51,417.59
  4. Step 4: Simplify right side
    117,965.57x = 9,099,693,562.60
  5. Step 5: Solve for x
    x = 9,099,693,562.60/117,965.57
  6. Step 6: Final answer
    x = 77,138.56

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