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Finding the Fourth Proportional to 141,055.08, 211,520.18 and 66,114.70

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Solution

The fourth proportional to 141,055.08, 211,520.18 and 66,114.70 is: 99,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,055.08 : 211,520.18 = 66,114.70 : x
  2. Step 2: Convert to fraction form
    141,055.08/211,520.18 = 66,114.70/x
  3. Step 3: Cross multiply
    141,055.08x = 211,520.18 × 66,114.70
  4. Step 4: Simplify right side
    141,055.08x = 13,984,593,244.65
  5. Step 5: Solve for x
    x = 13,984,593,244.65/141,055.08
  6. Step 6: Final answer
    x = 99,142.78

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