Home / 166,830.37-230,223.07-90,348.85

Finding the Fourth Proportional to 166,830.37, 230,223.07 and 90,348.85

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Solution

The fourth proportional to 166,830.37, 230,223.07 and 90,348.85 is: 124,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,830.37 : 230,223.07 = 90,348.85 : x
  2. Step 2: Convert to fraction form
    166,830.37/230,223.07 = 90,348.85/x
  3. Step 3: Cross multiply
    166,830.37x = 230,223.07 × 90,348.85
  4. Step 4: Simplify right side
    166,830.37x = 20,800,389,617.97
  5. Step 5: Solve for x
    x = 20,800,389,617.97/166,830.37
  6. Step 6: Final answer
    x = 124,679.87

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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.