Home / 126,149.88-174,085.56-68,789.06

Finding the Fourth Proportional to 126,149.88, 174,085.56 and 68,789.06

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Solution

The fourth proportional to 126,149.88, 174,085.56 and 68,789.06 is: 94,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,149.88 : 174,085.56 = 68,789.06 : x
  2. Step 2: Convert to fraction form
    126,149.88/174,085.56 = 68,789.06/x
  3. Step 3: Cross multiply
    126,149.88x = 174,085.56 × 68,789.06
  4. Step 4: Simplify right side
    126,149.88x = 11,975,182,031.97
  5. Step 5: Solve for x
    x = 11,975,182,031.97/126,149.88
  6. Step 6: Final answer
    x = 94,928.21

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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.