Home / 126,721.92-190,125.76-47,858.88

Finding the Fourth Proportional to 126,721.92, 190,125.76 and 47,858.88

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Solution

The fourth proportional to 126,721.92, 190,125.76 and 47,858.88 is: 71,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,721.92 : 190,125.76 = 47,858.88 : x
  2. Step 2: Convert to fraction form
    126,721.92/190,125.76 = 47,858.88/x
  3. Step 3: Cross multiply
    126,721.92x = 190,125.76 × 47,858.88
  4. Step 4: Simplify right side
    126,721.92x = 9,099,205,932.75
  5. Step 5: Solve for x
    x = 9,099,205,932.75/126,721.92
  6. Step 6: Final answer
    x = 71,804.51

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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.