Home / 126,634.28-190,016.22-51,809.72

Finding the Fourth Proportional to 126,634.28, 190,016.22 and 51,809.72

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Solution

The fourth proportional to 126,634.28, 190,016.22 and 51,809.72 is: 77,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,634.28 : 190,016.22 = 51,809.72 : x
  2. Step 2: Convert to fraction form
    126,634.28/190,016.22 = 51,809.72/x
  3. Step 3: Cross multiply
    126,634.28x = 190,016.22 × 51,809.72
  4. Step 4: Simplify right side
    126,634.28x = 9,844,687,153.66
  5. Step 5: Solve for x
    x = 9,844,687,153.66/126,634.28
  6. Step 6: Final answer
    x = 77,741.09

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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.