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Finding the Fourth Proportional to 117,778.60, 176,603.10 and 51,207.40

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Solution

The fourth proportional to 117,778.60, 176,603.10 and 51,207.40 is: 76,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,778.60 : 176,603.10 = 51,207.40 : x
  2. Step 2: Convert to fraction form
    117,778.60/176,603.10 = 51,207.40/x
  3. Step 3: Cross multiply
    117,778.60x = 176,603.10 × 51,207.40
  4. Step 4: Simplify right side
    117,778.60x = 9,043,385,582.94
  5. Step 5: Solve for x
    x = 9,043,385,582.94/117,778.60
  6. Step 6: Final answer
    x = 76,782.93

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