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Finding the Fourth Proportional to 117,783.60, 176,543.88 and 51,279.60

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Solution

The fourth proportional to 117,783.60, 176,543.88 and 51,279.60 is: 76,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,783.60 : 176,543.88 = 51,279.60 : x
  2. Step 2: Convert to fraction form
    117,783.60/176,543.88 = 51,279.60/x
  3. Step 3: Cross multiply
    117,783.60x = 176,543.88 × 51,279.60
  4. Step 4: Simplify right side
    117,783.60x = 9,053,099,548.85
  5. Step 5: Solve for x
    x = 9,053,099,548.85/117,783.60
  6. Step 6: Final answer
    x = 76,862.14

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