Home / 221,463.41-332,238.83-81,223.25

Finding the Fourth Proportional to 221,463.41, 332,238.83 and 81,223.25

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Solution

The fourth proportional to 221,463.41, 332,238.83 and 81,223.25 is: 121,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,463.41 : 332,238.83 = 81,223.25 : x
  2. Step 2: Convert to fraction form
    221,463.41/332,238.83 = 81,223.25/x
  3. Step 3: Cross multiply
    221,463.41x = 332,238.83 × 81,223.25
  4. Step 4: Simplify right side
    221,463.41x = 26,985,515,481.49
  5. Step 5: Solve for x
    x = 26,985,515,481.49/221,463.41
  6. Step 6: Final answer
    x = 121,850.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.