Home / 192,189.72-288,285.62-126,048.70

Finding the Fourth Proportional to 192,189.72, 288,285.62 and 126,048.70

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Solution

The fourth proportional to 192,189.72, 288,285.62 and 126,048.70 is: 189,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,189.72 : 288,285.62 = 126,048.70 : x
  2. Step 2: Convert to fraction form
    192,189.72/288,285.62 = 126,048.70/x
  3. Step 3: Cross multiply
    192,189.72x = 288,285.62 × 126,048.70
  4. Step 4: Simplify right side
    192,189.72x = 36,338,027,629.69
  5. Step 5: Solve for x
    x = 36,338,027,629.69/192,189.72
  6. Step 6: Final answer
    x = 189,073.73

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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.