Home / 221,553.44-305,761.20-126,064.16

Finding the Fourth Proportional to 221,553.44, 305,761.20 and 126,064.16

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Solution

The fourth proportional to 221,553.44, 305,761.20 and 126,064.16 is: 173,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,553.44 : 305,761.20 = 126,064.16 : x
  2. Step 2: Convert to fraction form
    221,553.44/305,761.20 = 126,064.16/x
  3. Step 3: Cross multiply
    221,553.44x = 305,761.20 × 126,064.16
  4. Step 4: Simplify right side
    221,553.44x = 38,545,528,838.59
  5. Step 5: Solve for x
    x = 38,545,528,838.59/221,553.44
  6. Step 6: Final answer
    x = 173,978.47

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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.