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Finding the Fourth Proportional to 170,300.80, 255,451.20 and 43,940.80

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Solution

The fourth proportional to 170,300.80, 255,451.20 and 43,940.80 is: 65,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,300.80 : 255,451.20 = 43,940.80 : x
  2. Step 2: Convert to fraction form
    170,300.80/255,451.20 = 43,940.80/x
  3. Step 3: Cross multiply
    170,300.80x = 255,451.20 × 43,940.80
  4. Step 4: Simplify right side
    170,300.80x = 11,224,730,088.96
  5. Step 5: Solve for x
    x = 11,224,730,088.96/170,300.80
  6. Step 6: Final answer
    x = 65,911.20

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