Home / 166,704.78-230,050.82-90,222.20

Finding the Fourth Proportional to 166,704.78, 230,050.82 and 90,222.20

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Solution

The fourth proportional to 166,704.78, 230,050.82 and 90,222.20 is: 124,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,704.78 : 230,050.82 = 90,222.20 : x
  2. Step 2: Convert to fraction form
    166,704.78/230,050.82 = 90,222.20/x
  3. Step 3: Cross multiply
    166,704.78x = 230,050.82 × 90,222.20
  4. Step 4: Simplify right side
    166,704.78x = 20,755,690,641.09
  5. Step 5: Solve for x
    x = 20,755,690,641.09/166,704.78
  6. Step 6: Final answer
    x = 124,505.67

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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.