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Finding the Fourth Proportional to 170,659.26, 255,798.06 and 63,940.54

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Solution

The fourth proportional to 170,659.26, 255,798.06 and 63,940.54 is: 95,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,659.26 : 255,798.06 = 63,940.54 : x
  2. Step 2: Convert to fraction form
    170,659.26/255,798.06 = 63,940.54/x
  3. Step 3: Cross multiply
    170,659.26x = 255,798.06 × 63,940.54
  4. Step 4: Simplify right side
    170,659.26x = 16,355,866,087.35
  5. Step 5: Solve for x
    x = 16,355,866,087.35/170,659.26
  6. Step 6: Final answer
    x = 95,839.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.