Home / 126,286.44-174,305.22-72,602.63

Finding the Fourth Proportional to 126,286.44, 174,305.22 and 72,602.63

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Solution

The fourth proportional to 126,286.44, 174,305.22 and 72,602.63 is: 100,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.44 : 174,305.22 = 72,602.63 : x
  2. Step 2: Convert to fraction form
    126,286.44/174,305.22 = 72,602.63/x
  3. Step 3: Cross multiply
    126,286.44x = 174,305.22 × 72,602.63
  4. Step 4: Simplify right side
    126,286.44x = 12,655,016,904.59
  5. Step 5: Solve for x
    x = 12,655,016,904.59/126,286.44
  6. Step 6: Final answer
    x = 100,208.83

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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.