Home / 127,997.37-192,131.33-71,885.43

Finding the Fourth Proportional to 127,997.37, 192,131.33 and 71,885.43

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Solution

The fourth proportional to 127,997.37, 192,131.33 and 71,885.43 is: 107,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,997.37 : 192,131.33 = 71,885.43 : x
  2. Step 2: Convert to fraction form
    127,997.37/192,131.33 = 71,885.43/x
  3. Step 3: Cross multiply
    127,997.37x = 192,131.33 × 71,885.43
  4. Step 4: Simplify right side
    127,997.37x = 13,811,442,914.09
  5. Step 5: Solve for x
    x = 13,811,442,914.09/127,997.37
  6. Step 6: Final answer
    x = 107,904.11

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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.