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Finding the Fourth Proportional to 454,136.80, 681,205.20 and 117,176.80

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Solution

The fourth proportional to 454,136.80, 681,205.20 and 117,176.80 is: 175,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,136.80 : 681,205.20 = 117,176.80 : x
  2. Step 2: Convert to fraction form
    454,136.80/681,205.20 = 117,176.80/x
  3. Step 3: Cross multiply
    454,136.80x = 681,205.20 × 117,176.80
  4. Step 4: Simplify right side
    454,136.80x = 79,821,445,479.36
  5. Step 5: Solve for x
    x = 79,821,445,479.36/454,136.80
  6. Step 6: Final answer
    x = 175,765.20

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