Home / 166,771.96-230,147.14-90,292.72

Finding the Fourth Proportional to 166,771.96, 230,147.14 and 90,292.72

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Solution

The fourth proportional to 166,771.96, 230,147.14 and 90,292.72 is: 124,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,771.96 : 230,147.14 = 90,292.72 : x
  2. Step 2: Convert to fraction form
    166,771.96/230,147.14 = 90,292.72/x
  3. Step 3: Cross multiply
    166,771.96x = 230,147.14 × 90,292.72
  4. Step 4: Simplify right side
    166,771.96x = 20,780,611,270.82
  5. Step 5: Solve for x
    x = 20,780,611,270.82/166,771.96
  6. Step 6: Final answer
    x = 124,604.95

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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.