Home / 167,738.68-231,483.78-91,262.56

Finding the Fourth Proportional to 167,738.68, 231,483.78 and 91,262.56

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Solution

The fourth proportional to 167,738.68, 231,483.78 and 91,262.56 is: 125,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,738.68 : 231,483.78 = 91,262.56 : x
  2. Step 2: Convert to fraction form
    167,738.68/231,483.78 = 91,262.56/x
  3. Step 3: Cross multiply
    167,738.68x = 231,483.78 × 91,262.56
  4. Step 4: Simplify right side
    167,738.68x = 21,125,802,361.28
  5. Step 5: Solve for x
    x = 21,125,802,361.28/167,738.68
  6. Step 6: Final answer
    x = 125,944.73

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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.