Home / 166,767.75-230,139.57-90,286.86

Finding the Fourth Proportional to 166,767.75, 230,139.57 and 90,286.86

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Solution

The fourth proportional to 166,767.75, 230,139.57 and 90,286.86 is: 124,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,767.75 : 230,139.57 = 90,286.86 : x
  2. Step 2: Convert to fraction form
    166,767.75/230,139.57 = 90,286.86/x
  3. Step 3: Cross multiply
    166,767.75x = 230,139.57 × 90,286.86
  4. Step 4: Simplify right side
    166,767.75x = 20,778,579,137.05
  5. Step 5: Solve for x
    x = 20,778,579,137.05/166,767.75
  6. Step 6: Final answer
    x = 124,595.91

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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.