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Finding the Fourth Proportional to 140,716.80, 211,060.44 and 74,130.12

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Solution

The fourth proportional to 140,716.80, 211,060.44 and 74,130.12 is: 111,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,716.80 : 211,060.44 = 74,130.12 : x
  2. Step 2: Convert to fraction form
    140,716.80/211,060.44 = 74,130.12/x
  3. Step 3: Cross multiply
    140,716.80x = 211,060.44 × 74,130.12
  4. Step 4: Simplify right side
    140,716.80x = 15,645,935,744.45
  5. Step 5: Solve for x
    x = 15,645,935,744.45/140,716.80
  6. Step 6: Final answer
    x = 111,187.40

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