Home / 127,983.50-192,003.24-39,243.92

Finding the Fourth Proportional to 127,983.50, 192,003.24 and 39,243.92

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Solution

The fourth proportional to 127,983.50, 192,003.24 and 39,243.92 is: 58,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,983.50 : 192,003.24 = 39,243.92 : x
  2. Step 2: Convert to fraction form
    127,983.50/192,003.24 = 39,243.92/x
  3. Step 3: Cross multiply
    127,983.50x = 192,003.24 × 39,243.92
  4. Step 4: Simplify right side
    127,983.50x = 7,534,958,830.28
  5. Step 5: Solve for x
    x = 7,534,958,830.28/127,983.50
  6. Step 6: Final answer
    x = 58,874.46

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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.