Home / 126,163.71-174,103.73-68,803.47

Finding the Fourth Proportional to 126,163.71, 174,103.73 and 68,803.47

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Solution

The fourth proportional to 126,163.71, 174,103.73 and 68,803.47 is: 94,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,163.71 : 174,103.73 = 68,803.47 : x
  2. Step 2: Convert to fraction form
    126,163.71/174,103.73 = 68,803.47/x
  3. Step 3: Cross multiply
    126,163.71x = 174,103.73 × 68,803.47
  4. Step 4: Simplify right side
    126,163.71x = 11,978,940,419.93
  5. Step 5: Solve for x
    x = 11,978,940,419.93/126,163.71
  6. Step 6: Final answer
    x = 94,947.59

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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.