Home / 167,809.12-231,572.19-91,329.70

Finding the Fourth Proportional to 167,809.12, 231,572.19 and 91,329.70

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Solution

The fourth proportional to 167,809.12, 231,572.19 and 91,329.70 is: 126,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,809.12 : 231,572.19 = 91,329.70 : x
  2. Step 2: Convert to fraction form
    167,809.12/231,572.19 = 91,329.70/x
  3. Step 3: Cross multiply
    167,809.12x = 231,572.19 × 91,329.70
  4. Step 4: Simplify right side
    167,809.12x = 21,149,418,641.04
  5. Step 5: Solve for x
    x = 21,149,418,641.04/167,809.12
  6. Step 6: Final answer
    x = 126,032.59

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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.