Home / 188,213.90-259,735.61-103,336.43

Finding the Fourth Proportional to 188,213.90, 259,735.61 and 103,336.43

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Solution

The fourth proportional to 188,213.90, 259,735.61 and 103,336.43 is: 142,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,213.90 : 259,735.61 = 103,336.43 : x
  2. Step 2: Convert to fraction form
    188,213.90/259,735.61 = 103,336.43/x
  3. Step 3: Cross multiply
    188,213.90x = 259,735.61 × 103,336.43
  4. Step 4: Simplify right side
    188,213.90x = 26,840,149,640.94
  5. Step 5: Solve for x
    x = 26,840,149,640.94/188,213.90
  6. Step 6: Final answer
    x = 142,604.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.