Home / 192,575.05-288,750.26-80,120.51

Finding the Fourth Proportional to 192,575.05, 288,750.26 and 80,120.51

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Solution

The fourth proportional to 192,575.05, 288,750.26 and 80,120.51 is: 120,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,575.05 : 288,750.26 = 80,120.51 : x
  2. Step 2: Convert to fraction form
    192,575.05/288,750.26 = 80,120.51/x
  3. Step 3: Cross multiply
    192,575.05x = 288,750.26 × 80,120.51
  4. Step 4: Simplify right side
    192,575.05x = 23,134,816,249.48
  5. Step 5: Solve for x
    x = 23,134,816,249.48/192,575.05
  6. Step 6: Final answer
    x = 120,134.03

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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.