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Finding the Fourth Proportional to 113,466.80, 170,200.20 and 100,782.20

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Solution

The fourth proportional to 113,466.80, 170,200.20 and 100,782.20 is: 151,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,466.80 : 170,200.20 = 100,782.20 : x
  2. Step 2: Convert to fraction form
    113,466.80/170,200.20 = 100,782.20/x
  3. Step 3: Cross multiply
    113,466.80x = 170,200.20 × 100,782.20
  4. Step 4: Simplify right side
    113,466.80x = 17,153,150,596.44
  5. Step 5: Solve for x
    x = 17,153,150,596.44/113,466.80
  6. Step 6: Final answer
    x = 151,173.30

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