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Finding the Fourth Proportional to 170,103.80, 255,155.70 and 43,743.80

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Solution

The fourth proportional to 170,103.80, 255,155.70 and 43,743.80 is: 65,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,103.80 : 255,155.70 = 43,743.80 : x
  2. Step 2: Convert to fraction form
    170,103.80/255,155.70 = 43,743.80/x
  3. Step 3: Cross multiply
    170,103.80x = 255,155.70 × 43,743.80
  4. Step 4: Simplify right side
    170,103.80x = 11,161,479,909.66
  5. Step 5: Solve for x
    x = 11,161,479,909.66/170,103.80
  6. Step 6: Final answer
    x = 65,615.70

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