Home / 166,104.68-229,144.75-108,718.74

Finding the Fourth Proportional to 166,104.68, 229,144.75 and 108,718.74

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Solution

The fourth proportional to 166,104.68, 229,144.75 and 108,718.74 is: 149,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,104.68 : 229,144.75 = 108,718.74 : x
  2. Step 2: Convert to fraction form
    166,104.68/229,144.75 = 108,718.74/x
  3. Step 3: Cross multiply
    166,104.68x = 229,144.75 × 108,718.74
  4. Step 4: Simplify right side
    166,104.68x = 24,912,328,225.82
  5. Step 5: Solve for x
    x = 24,912,328,225.82/166,104.68
  6. Step 6: Final answer
    x = 149,979.69

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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.