Home / 121,099.38-167,115.06-67,382.88

Finding the Fourth Proportional to 121,099.38, 167,115.06 and 67,382.88

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Solution

The fourth proportional to 121,099.38, 167,115.06 and 67,382.88 is: 92,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,099.38 : 167,115.06 = 67,382.88 : x
  2. Step 2: Convert to fraction form
    121,099.38/167,115.06 = 67,382.88/x
  3. Step 3: Cross multiply
    121,099.38x = 167,115.06 × 67,382.88
  4. Step 4: Simplify right side
    121,099.38x = 11,260,694,034.17
  5. Step 5: Solve for x
    x = 11,260,694,034.17/121,099.38
  6. Step 6: Final answer
    x = 92,987.21

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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.