Home / 121,723.46-167,979.22-68,010.74

Finding the Fourth Proportional to 121,723.46, 167,979.22 and 68,010.74

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Solution

The fourth proportional to 121,723.46, 167,979.22 and 68,010.74 is: 93,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,723.46 : 167,979.22 = 68,010.74 : x
  2. Step 2: Convert to fraction form
    121,723.46/167,979.22 = 68,010.74/x
  3. Step 3: Cross multiply
    121,723.46x = 167,979.22 × 68,010.74
  4. Step 4: Simplify right side
    121,723.46x = 11,424,390,676.82
  5. Step 5: Solve for x
    x = 11,424,390,676.82/121,723.46
  6. Step 6: Final answer
    x = 93,855.29

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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.