Home / 167,908.28-231,713.06-91,426.19

Finding the Fourth Proportional to 167,908.28, 231,713.06 and 91,426.19

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Solution

The fourth proportional to 167,908.28, 231,713.06 and 91,426.19 is: 126,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,908.28 : 231,713.06 = 91,426.19 : x
  2. Step 2: Convert to fraction form
    167,908.28/231,713.06 = 91,426.19/x
  3. Step 3: Cross multiply
    167,908.28x = 231,713.06 × 91,426.19
  4. Step 4: Simplify right side
    167,908.28x = 21,184,640,633.35
  5. Step 5: Solve for x
    x = 21,184,640,633.35/167,908.28
  6. Step 6: Final answer
    x = 126,167.94

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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.