Home / 166,105.68-229,146.13-108,719.74

Finding the Fourth Proportional to 166,105.68, 229,146.13 and 108,719.74

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Solution

The fourth proportional to 166,105.68, 229,146.13 and 108,719.74 is: 149,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,105.68 : 229,146.13 = 108,719.74 : x
  2. Step 2: Convert to fraction form
    166,105.68/229,146.13 = 108,719.74/x
  3. Step 3: Cross multiply
    166,105.68x = 229,146.13 × 108,719.74
  4. Step 4: Simplify right side
    166,105.68x = 24,912,707,675.61
  5. Step 5: Solve for x
    x = 24,912,707,675.61/166,105.68
  6. Step 6: Final answer
    x = 149,981.07

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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.