Home / 91,852.26-126,747.37-51,556.78

Finding the Fourth Proportional to 91,852.26, 126,747.37 and 51,556.78

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Solution

The fourth proportional to 91,852.26, 126,747.37 and 51,556.78 is: 71,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,852.26 : 126,747.37 = 51,556.78 : x
  2. Step 2: Convert to fraction form
    91,852.26/126,747.37 = 51,556.78/x
  3. Step 3: Cross multiply
    91,852.26x = 126,747.37 × 51,556.78
  4. Step 4: Simplify right side
    91,852.26x = 6,534,686,203.54
  5. Step 5: Solve for x
    x = 6,534,686,203.54/91,852.26
  6. Step 6: Final answer
    x = 71,143.45

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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.