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Finding the Fourth Proportional to 120,783.53, 166,696.64 and 73,037.22

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Solution

The fourth proportional to 120,783.53, 166,696.64 and 73,037.22 is: 100,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,783.53 : 166,696.64 = 73,037.22 : x
  2. Step 2: Convert to fraction form
    120,783.53/166,696.64 = 73,037.22/x
  3. Step 3: Cross multiply
    120,783.53x = 166,696.64 × 73,037.22
  4. Step 4: Simplify right side
    120,783.53x = 12,175,058,335.46
  5. Step 5: Solve for x
    x = 12,175,058,335.46/120,783.53
  6. Step 6: Final answer
    x = 100,800.65

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