Home / 221,104.59-305,125.34-125,616.52

Finding the Fourth Proportional to 221,104.59, 305,125.34 and 125,616.52

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Solution

The fourth proportional to 221,104.59, 305,125.34 and 125,616.52 is: 173,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,104.59 : 305,125.34 = 125,616.52 : x
  2. Step 2: Convert to fraction form
    221,104.59/305,125.34 = 125,616.52/x
  3. Step 3: Cross multiply
    221,104.59x = 305,125.34 × 125,616.52
  4. Step 4: Simplify right side
    221,104.59x = 38,328,783,374.62
  5. Step 5: Solve for x
    x = 38,328,783,374.62/221,104.59
  6. Step 6: Final answer
    x = 173,351.37

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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.