Home / 167,975.35-231,804-91,494.21

Finding the Fourth Proportional to 167,975.35, 231,804 and 91,494.21

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Solution

The fourth proportional to 167,975.35, 231,804 and 91,494.21 is: 126,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,975.35 : 231,804 = 91,494.21 : x
  2. Step 2: Convert to fraction form
    167,975.35/231,804 = 91,494.21/x
  3. Step 3: Cross multiply
    167,975.35x = 231,804 × 91,494.21
  4. Step 4: Simplify right side
    167,975.35x = 21,208,723,275.33
  5. Step 5: Solve for x
    x = 21,208,723,275.33/167,975.35
  6. Step 6: Final answer
    x = 126,260.92

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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.