Home / 166,135.42-229,269.27-90,682.30

Finding the Fourth Proportional to 166,135.42, 229,269.27 and 90,682.30

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Solution

The fourth proportional to 166,135.42, 229,269.27 and 90,682.30 is: 125,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,135.42 : 229,269.27 = 90,682.30 : x
  2. Step 2: Convert to fraction form
    166,135.42/229,269.27 = 90,682.30/x
  3. Step 3: Cross multiply
    166,135.42x = 229,269.27 × 90,682.30
  4. Step 4: Simplify right side
    166,135.42x = 20,790,664,722.92
  5. Step 5: Solve for x
    x = 20,790,664,722.92/166,135.42
  6. Step 6: Final answer
    x = 125,142.88

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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.