Home / 192,049.31-288,105.26-72,115.55

Finding the Fourth Proportional to 192,049.31, 288,105.26 and 72,115.55

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Solution

The fourth proportional to 192,049.31, 288,105.26 and 72,115.55 is: 108,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,049.31 : 288,105.26 = 72,115.55 : x
  2. Step 2: Convert to fraction form
    192,049.31/288,105.26 = 72,115.55/x
  3. Step 3: Cross multiply
    192,049.31x = 288,105.26 × 72,115.55
  4. Step 4: Simplify right side
    192,049.31x = 20,776,869,282.79
  5. Step 5: Solve for x
    x = 20,776,869,282.79/192,049.31
  6. Step 6: Final answer
    x = 108,185.08

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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.