Home / 166,891.42-230,308.68-90,408.79

Finding the Fourth Proportional to 166,891.42, 230,308.68 and 90,408.79

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Solution

The fourth proportional to 166,891.42, 230,308.68 and 90,408.79 is: 124,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,891.42 : 230,308.68 = 90,408.79 : x
  2. Step 2: Convert to fraction form
    166,891.42/230,308.68 = 90,408.79/x
  3. Step 3: Cross multiply
    166,891.42x = 230,308.68 × 90,408.79
  4. Step 4: Simplify right side
    166,891.42x = 20,821,929,085.30
  5. Step 5: Solve for x
    x = 20,821,929,085.30/166,891.42
  6. Step 6: Final answer
    x = 124,763.33

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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.