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Finding the Fourth Proportional to 79,855.80, 119,783.70 and 73,404.60

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Solution

The fourth proportional to 79,855.80, 119,783.70 and 73,404.60 is: 110,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,855.80 : 119,783.70 = 73,404.60 : x
  2. Step 2: Convert to fraction form
    79,855.80/119,783.70 = 73,404.60/x
  3. Step 3: Cross multiply
    79,855.80x = 119,783.70 × 73,404.60
  4. Step 4: Simplify right side
    79,855.80x = 8,792,674,585.02
  5. Step 5: Solve for x
    x = 8,792,674,585.02/79,855.80
  6. Step 6: Final answer
    x = 110,106.90

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