Home / 221,104.46-305,125.17-125,616.39

Finding the Fourth Proportional to 221,104.46, 305,125.17 and 125,616.39

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Solution

The fourth proportional to 221,104.46, 305,125.17 and 125,616.39 is: 173,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,104.46 : 305,125.17 = 125,616.39 : x
  2. Step 2: Convert to fraction form
    221,104.46/305,125.17 = 125,616.39/x
  3. Step 3: Cross multiply
    221,104.46x = 305,125.17 × 125,616.39
  4. Step 4: Simplify right side
    221,104.46x = 38,328,722,353.54
  5. Step 5: Solve for x
    x = 38,328,722,353.54/221,104.46
  6. Step 6: Final answer
    x = 173,351.19

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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.