Home / 83,450.55-125,174.06-20,270.97

Finding the Fourth Proportional to 83,450.55, 125,174.06 and 20,270.97

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Solution

The fourth proportional to 83,450.55, 125,174.06 and 20,270.97 is: 30,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,450.55 : 125,174.06 = 20,270.97 : x
  2. Step 2: Convert to fraction form
    83,450.55/125,174.06 = 20,270.97/x
  3. Step 3: Cross multiply
    83,450.55x = 125,174.06 × 20,270.97
  4. Step 4: Simplify right side
    83,450.55x = 2,537,399,513.68
  5. Step 5: Solve for x
    x = 2,537,399,513.68/83,450.55
  6. Step 6: Final answer
    x = 30,406.03

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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.