Home / 221,724.30-332,513.55-81,464.70

Finding the Fourth Proportional to 221,724.30, 332,513.55 and 81,464.70

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Solution

The fourth proportional to 221,724.30, 332,513.55 and 81,464.70 is: 122,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,724.30 : 332,513.55 = 81,464.70 : x
  2. Step 2: Convert to fraction form
    221,724.30/332,513.55 = 81,464.70/x
  3. Step 3: Cross multiply
    221,724.30x = 332,513.55 × 81,464.70
  4. Step 4: Simplify right side
    221,724.30x = 27,088,116,596.69
  5. Step 5: Solve for x
    x = 27,088,116,596.69/221,724.30
  6. Step 6: Final answer
    x = 122,170.27

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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.