Home / 166,738.88-250,155.03-66,969.11

Finding the Fourth Proportional to 166,738.88, 250,155.03 and 66,969.11

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Solution

The fourth proportional to 166,738.88, 250,155.03 and 66,969.11 is: 100,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,738.88 : 250,155.03 = 66,969.11 : x
  2. Step 2: Convert to fraction form
    166,738.88/250,155.03 = 66,969.11/x
  3. Step 3: Cross multiply
    166,738.88x = 250,155.03 × 66,969.11
  4. Step 4: Simplify right side
    166,738.88x = 16,752,659,721.12
  5. Step 5: Solve for x
    x = 16,752,659,721.12/166,738.88
  6. Step 6: Final answer
    x = 100,472.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.