Home / 121,695.97-167,928.39-67,979.83

Finding the Fourth Proportional to 121,695.97, 167,928.39 and 67,979.83

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Solution

The fourth proportional to 121,695.97, 167,928.39 and 67,979.83 is: 93,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,695.97 : 167,928.39 = 67,979.83 : x
  2. Step 2: Convert to fraction form
    121,695.97/167,928.39 = 67,979.83/x
  3. Step 3: Cross multiply
    121,695.97x = 167,928.39 × 67,979.83
  4. Step 4: Simplify right side
    121,695.97x = 11,415,743,404.37
  5. Step 5: Solve for x
    x = 11,415,743,404.37/121,695.97
  6. Step 6: Final answer
    x = 93,805.44

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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.