Home / 126,221.88-174,189.48-68,862.18

Finding the Fourth Proportional to 126,221.88, 174,189.48 and 68,862.18

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Solution

The fourth proportional to 126,221.88, 174,189.48 and 68,862.18 is: 95,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,221.88 : 174,189.48 = 68,862.18 : x
  2. Step 2: Convert to fraction form
    126,221.88/174,189.48 = 68,862.18/x
  3. Step 3: Cross multiply
    126,221.88x = 174,189.48 × 68,862.18
  4. Step 4: Simplify right side
    126,221.88x = 11,995,067,325.87
  5. Step 5: Solve for x
    x = 11,995,067,325.87/126,221.88
  6. Step 6: Final answer
    x = 95,031.60

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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.