Home / 126,820.98-190,173.96-47,879.19

Finding the Fourth Proportional to 126,820.98, 190,173.96 and 47,879.19

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Solution

The fourth proportional to 126,820.98, 190,173.96 and 47,879.19 is: 71,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,820.98 : 190,173.96 = 47,879.19 : x
  2. Step 2: Convert to fraction form
    126,820.98/190,173.96 = 47,879.19/x
  3. Step 3: Cross multiply
    126,820.98x = 190,173.96 × 47,879.19
  4. Step 4: Simplify right side
    126,820.98x = 9,105,375,163.89
  5. Step 5: Solve for x
    x = 9,105,375,163.89/126,820.98
  6. Step 6: Final answer
    x = 71,797.07

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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.