Home / 126,864.48-190,323.44-47,976.96

Finding the Fourth Proportional to 126,864.48, 190,323.44 and 47,976.96

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Solution

The fourth proportional to 126,864.48, 190,323.44 and 47,976.96 is: 71,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,864.48 : 190,323.44 = 47,976.96 : x
  2. Step 2: Convert to fraction form
    126,864.48/190,323.44 = 47,976.96/x
  3. Step 3: Cross multiply
    126,864.48x = 190,323.44 × 47,976.96
  4. Step 4: Simplify right side
    126,864.48x = 9,131,140,067.94
  5. Step 5: Solve for x
    x = 9,131,140,067.94/126,864.48
  6. Step 6: Final answer
    x = 71,975.54

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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.