Home / 127,021.26-175,249.44-73,299.22

Finding the Fourth Proportional to 127,021.26, 175,249.44 and 73,299.22

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Solution

The fourth proportional to 127,021.26, 175,249.44 and 73,299.22 is: 101,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,021.26 : 175,249.44 = 73,299.22 : x
  2. Step 2: Convert to fraction form
    127,021.26/175,249.44 = 73,299.22/x
  3. Step 3: Cross multiply
    127,021.26x = 175,249.44 × 73,299.22
  4. Step 4: Simplify right side
    127,021.26x = 12,845,647,257.44
  5. Step 5: Solve for x
    x = 12,845,647,257.44/127,021.26
  6. Step 6: Final answer
    x = 101,129.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.