Home / 126,975.06-175,190.12-100,033.95

Finding the Fourth Proportional to 126,975.06, 175,190.12 and 100,033.95

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Solution

The fourth proportional to 126,975.06, 175,190.12 and 100,033.95 is: 138,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,975.06 : 175,190.12 = 100,033.95 : x
  2. Step 2: Convert to fraction form
    126,975.06/175,190.12 = 100,033.95/x
  3. Step 3: Cross multiply
    126,975.06x = 175,190.12 × 100,033.95
  4. Step 4: Simplify right side
    126,975.06x = 17,524,959,704.57
  5. Step 5: Solve for x
    x = 17,524,959,704.57/126,975.06
  6. Step 6: Final answer
    x = 138,018.92

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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.