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Finding the Fourth Proportional to 175,050.80, 262,115.40 and 128,049.20

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Solution

The fourth proportional to 175,050.80, 262,115.40 and 128,049.20 is: 191,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,050.80 : 262,115.40 = 128,049.20 : x
  2. Step 2: Convert to fraction form
    175,050.80/262,115.40 = 128,049.20/x
  3. Step 3: Cross multiply
    175,050.80x = 262,115.40 × 128,049.20
  4. Step 4: Simplify right side
    175,050.80x = 33,563,667,277.68
  5. Step 5: Solve for x
    x = 33,563,667,277.68/175,050.80
  6. Step 6: Final answer
    x = 191,736.73

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