Home / 166,766.96-230,138.50-90,286.07

Finding the Fourth Proportional to 166,766.96, 230,138.50 and 90,286.07

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Solution

The fourth proportional to 166,766.96, 230,138.50 and 90,286.07 is: 124,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,766.96 : 230,138.50 = 90,286.07 : x
  2. Step 2: Convert to fraction form
    166,766.96/230,138.50 = 90,286.07/x
  3. Step 3: Cross multiply
    166,766.96x = 230,138.50 × 90,286.07
  4. Step 4: Simplify right side
    166,766.96x = 20,778,300,720.70
  5. Step 5: Solve for x
    x = 20,778,300,720.70/166,766.96
  6. Step 6: Final answer
    x = 124,594.83

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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.