Home / 221,351.11-305,433.71-125,847.25

Finding the Fourth Proportional to 221,351.11, 305,433.71 and 125,847.25

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Solution

The fourth proportional to 221,351.11, 305,433.71 and 125,847.25 is: 173,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,351.11 : 305,433.71 = 125,847.25 : x
  2. Step 2: Convert to fraction form
    221,351.11/305,433.71 = 125,847.25/x
  3. Step 3: Cross multiply
    221,351.11x = 305,433.71 × 125,847.25
  4. Step 4: Simplify right side
    221,351.11x = 38,437,992,460.80
  5. Step 5: Solve for x
    x = 38,437,992,460.80/221,351.11
  6. Step 6: Final answer
    x = 173,651.68

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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.