Home / 221,764.04-332,635.26-81,513.80

Finding the Fourth Proportional to 221,764.04, 332,635.26 and 81,513.80

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Solution

The fourth proportional to 221,764.04, 332,635.26 and 81,513.80 is: 122,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,764.04 : 332,635.26 = 81,513.80 : x
  2. Step 2: Convert to fraction form
    221,764.04/332,635.26 = 81,513.80/x
  3. Step 3: Cross multiply
    221,764.04x = 332,635.26 × 81,513.80
  4. Step 4: Simplify right side
    221,764.04x = 27,114,364,056.59
  5. Step 5: Solve for x
    x = 27,114,364,056.59/221,764.04
  6. Step 6: Final answer
    x = 122,266.73

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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.