Home / 206,791.04-285,364.44-126,353.20

Finding the Fourth Proportional to 206,791.04, 285,364.44 and 126,353.20

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Solution

The fourth proportional to 206,791.04, 285,364.44 and 126,353.20 is: 174,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,791.04 : 285,364.44 = 126,353.20 : x
  2. Step 2: Convert to fraction form
    206,791.04/285,364.44 = 126,353.20/x
  3. Step 3: Cross multiply
    206,791.04x = 285,364.44 × 126,353.20
  4. Step 4: Simplify right side
    206,791.04x = 36,056,710,160.21
  5. Step 5: Solve for x
    x = 36,056,710,160.21/206,791.04
  6. Step 6: Final answer
    x = 174,363.02

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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.