Home / 220,584.88-304,461.21-125,147.44

Finding the Fourth Proportional to 220,584.88, 304,461.21 and 125,147.44

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Solution

The fourth proportional to 220,584.88, 304,461.21 and 125,147.44 is: 172,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,584.88 : 304,461.21 = 125,147.44 : x
  2. Step 2: Convert to fraction form
    220,584.88/304,461.21 = 125,147.44/x
  3. Step 3: Cross multiply
    220,584.88x = 304,461.21 × 125,147.44
  4. Step 4: Simplify right side
    220,584.88x = 38,102,541,010.80
  5. Step 5: Solve for x
    x = 38,102,541,010.80/220,584.88
  6. Step 6: Final answer
    x = 172,734.15

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1.5x scale

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.