Home / 195,791.07-270,131-109,738.13

Finding the Fourth Proportional to 195,791.07, 270,131 and 109,738.13

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Solution

The fourth proportional to 195,791.07, 270,131 and 109,738.13 is: 151,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,791.07 : 270,131 = 109,738.13 : x
  2. Step 2: Convert to fraction form
    195,791.07/270,131 = 109,738.13/x
  3. Step 3: Cross multiply
    195,791.07x = 270,131 × 109,738.13
  4. Step 4: Simplify right side
    195,791.07x = 29,643,670,795.03
  5. Step 5: Solve for x
    x = 29,643,670,795.03/195,791.07
  6. Step 6: Final answer
    x = 151,404.61

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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.