Home / 166,713.85-230,063.56-90,231.40

Finding the Fourth Proportional to 166,713.85, 230,063.56 and 90,231.40

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Solution

The fourth proportional to 166,713.85, 230,063.56 and 90,231.40 is: 124,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,713.85 : 230,063.56 = 90,231.40 : x
  2. Step 2: Convert to fraction form
    166,713.85/230,063.56 = 90,231.40/x
  3. Step 3: Cross multiply
    166,713.85x = 230,063.56 × 90,231.40
  4. Step 4: Simplify right side
    166,713.85x = 20,758,957,107.78
  5. Step 5: Solve for x
    x = 20,758,957,107.78/166,713.85
  6. Step 6: Final answer
    x = 124,518.49

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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.