Home / 121,723.39-167,975.17-68,008.83

Finding the Fourth Proportional to 121,723.39, 167,975.17 and 68,008.83

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Solution

The fourth proportional to 121,723.39, 167,975.17 and 68,008.83 is: 93,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,723.39 : 167,975.17 = 68,008.83 : x
  2. Step 2: Convert to fraction form
    121,723.39/167,975.17 = 68,008.83/x
  3. Step 3: Cross multiply
    121,723.39x = 167,975.17 × 68,008.83
  4. Step 4: Simplify right side
    121,723.39x = 11,423,794,780.75
  5. Step 5: Solve for x
    x = 11,423,794,780.75/121,723.39
  6. Step 6: Final answer
    x = 93,850.45

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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.