Home / 221,714.24-305,954.16-126,220.64

Finding the Fourth Proportional to 221,714.24, 305,954.16 and 126,220.64

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Solution

The fourth proportional to 221,714.24, 305,954.16 and 126,220.64 is: 174,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,714.24 : 305,954.16 = 126,220.64 : x
  2. Step 2: Convert to fraction form
    221,714.24/305,954.16 = 126,220.64/x
  3. Step 3: Cross multiply
    221,714.24x = 305,954.16 × 126,220.64
  4. Step 4: Simplify right side
    221,714.24x = 38,617,729,885.86
  5. Step 5: Solve for x
    x = 38,617,729,885.86/221,714.24
  6. Step 6: Final answer
    x = 174,177.94

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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.