Home / 221,582.44-305,773.14-126,080.20

Finding the Fourth Proportional to 221,582.44, 305,773.14 and 126,080.20

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Solution

The fourth proportional to 221,582.44, 305,773.14 and 126,080.20 is: 173,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,582.44 : 305,773.14 = 126,080.20 : x
  2. Step 2: Convert to fraction form
    221,582.44/305,773.14 = 126,080.20/x
  3. Step 3: Cross multiply
    221,582.44x = 305,773.14 × 126,080.20
  4. Step 4: Simplify right side
    221,582.44x = 38,551,938,645.83
  5. Step 5: Solve for x
    x = 38,551,938,645.83/221,582.44
  6. Step 6: Final answer
    x = 173,984.63

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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.