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Finding the Fourth Proportional to 437,620.93, 656,431.49 and 138,124.85

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Solution

The fourth proportional to 437,620.93, 656,431.49 and 138,124.85 is: 207,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,620.93 : 656,431.49 = 138,124.85 : x
  2. Step 2: Convert to fraction form
    437,620.93/656,431.49 = 138,124.85/x
  3. Step 3: Cross multiply
    437,620.93x = 656,431.49 × 138,124.85
  4. Step 4: Simplify right side
    437,620.93x = 90,669,498,154.68
  5. Step 5: Solve for x
    x = 90,669,498,154.68/437,620.93
  6. Step 6: Final answer
    x = 207,187.30

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