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Finding the Fourth Proportional to 117,193.86, 161,717.76 and 68,790.60

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Solution

The fourth proportional to 117,193.86, 161,717.76 and 68,790.60 is: 94,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,193.86 : 161,717.76 = 68,790.60 : x
  2. Step 2: Convert to fraction form
    117,193.86/161,717.76 = 68,790.60/x
  3. Step 3: Cross multiply
    117,193.86x = 161,717.76 × 68,790.60
  4. Step 4: Simplify right side
    117,193.86x = 11,124,661,741.06
  5. Step 5: Solve for x
    x = 11,124,661,741.06/117,193.86
  6. Step 6: Final answer
    x = 94,925.30

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