Home / 221,626.94-332,575.27-81,396.50

Finding the Fourth Proportional to 221,626.94, 332,575.27 and 81,396.50

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Solution

The fourth proportional to 221,626.94, 332,575.27 and 81,396.50 is: 122,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,626.94 : 332,575.27 = 81,396.50 : x
  2. Step 2: Convert to fraction form
    221,626.94/332,575.27 = 81,396.50/x
  3. Step 3: Cross multiply
    221,626.94x = 332,575.27 × 81,396.50
  4. Step 4: Simplify right side
    221,626.94x = 27,070,461,098.19
  5. Step 5: Solve for x
    x = 27,070,461,098.19/221,626.94
  6. Step 6: Final answer
    x = 122,144.27

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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.