Home / 206,746.52-285,341.04-126,220.73

Finding the Fourth Proportional to 206,746.52, 285,341.04 and 126,220.73

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Solution

The fourth proportional to 206,746.52, 285,341.04 and 126,220.73 is: 174,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,746.52 : 285,341.04 = 126,220.73 : x
  2. Step 2: Convert to fraction form
    206,746.52/285,341.04 = 126,220.73/x
  3. Step 3: Cross multiply
    206,746.52x = 285,341.04 × 126,220.73
  4. Step 4: Simplify right side
    206,746.52x = 36,015,952,941.05
  5. Step 5: Solve for x
    x = 36,015,952,941.05/206,746.52
  6. Step 6: Final answer
    x = 174,203.43

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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.