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Finding the Fourth Proportional to 446,723.40, 670,020.30 and 131,147.40

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Solution

The fourth proportional to 446,723.40, 670,020.30 and 131,147.40 is: 196,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,723.40 : 670,020.30 = 131,147.40 : x
  2. Step 2: Convert to fraction form
    446,723.40/670,020.30 = 131,147.40/x
  3. Step 3: Cross multiply
    446,723.40x = 670,020.30 × 131,147.40
  4. Step 4: Simplify right side
    446,723.40x = 87,871,420,292.22
  5. Step 5: Solve for x
    x = 87,871,420,292.22/446,723.40
  6. Step 6: Final answer
    x = 196,702.08

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