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Finding the Fourth Proportional to 120,540, 180,810 and 46,668

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Solution

The fourth proportional to 120,540, 180,810 and 46,668 is: 70,002

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,540 : 180,810 = 46,668 : x
  2. Step 2: Convert to fraction form
    120,540/180,810 = 46,668/x
  3. Step 3: Cross multiply
    120,540x = 180,810 × 46,668
  4. Step 4: Simplify right side
    120,540x = 8,438,041,080
  5. Step 5: Solve for x
    x = 8,438,041,080/120,540
  6. Step 6: Final answer
    x = 70,002

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