Home / 83,365.62-125,048.75-20,185.64

Finding the Fourth Proportional to 83,365.62, 125,048.75 and 20,185.64

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Solution

The fourth proportional to 83,365.62, 125,048.75 and 20,185.64 is: 30,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,365.62 : 125,048.75 = 20,185.64 : x
  2. Step 2: Convert to fraction form
    83,365.62/125,048.75 = 20,185.64/x
  3. Step 3: Cross multiply
    83,365.62x = 125,048.75 × 20,185.64
  4. Step 4: Simplify right side
    83,365.62x = 2,524,189,049.95
  5. Step 5: Solve for x
    x = 2,524,189,049.95/83,365.62
  6. Step 6: Final answer
    x = 30,278.54

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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.