Home / 206,747.02-285,341.74-126,221.22

Finding the Fourth Proportional to 206,747.02, 285,341.74 and 126,221.22

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Solution

The fourth proportional to 206,747.02, 285,341.74 and 126,221.22 is: 174,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747.02 : 285,341.74 = 126,221.22 : x
  2. Step 2: Convert to fraction form
    206,747.02/285,341.74 = 126,221.22/x
  3. Step 3: Cross multiply
    206,747.02x = 285,341.74 × 126,221.22
  4. Step 4: Simplify right side
    206,747.02x = 36,016,182,539.72
  5. Step 5: Solve for x
    x = 36,016,182,539.72/206,747.02
  6. Step 6: Final answer
    x = 174,204.12

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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.