Home / 192,255.89-288,383.78-139,997.93

Finding the Fourth Proportional to 192,255.89, 288,383.78 and 139,997.93

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Solution

The fourth proportional to 192,255.89, 288,383.78 and 139,997.93 is: 209,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,255.89 : 288,383.78 = 139,997.93 : x
  2. Step 2: Convert to fraction form
    192,255.89/288,383.78 = 139,997.93/x
  3. Step 3: Cross multiply
    192,255.89x = 288,383.78 × 139,997.93
  4. Step 4: Simplify right side
    192,255.89x = 40,373,131,545.59
  5. Step 5: Solve for x
    x = 40,373,131,545.59/192,255.89
  6. Step 6: Final answer
    x = 209,996.85

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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.