Home / 206,972.84-285,601.02-126,419.96

Finding the Fourth Proportional to 206,972.84, 285,601.02 and 126,419.96

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Solution

The fourth proportional to 206,972.84, 285,601.02 and 126,419.96 is: 174,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,972.84 : 285,601.02 = 126,419.96 : x
  2. Step 2: Convert to fraction form
    206,972.84/285,601.02 = 126,419.96/x
  3. Step 3: Cross multiply
    206,972.84x = 285,601.02 × 126,419.96
  4. Step 4: Simplify right side
    206,972.84x = 36,105,669,524.36
  5. Step 5: Solve for x
    x = 36,105,669,524.36/206,972.84
  6. Step 6: Final answer
    x = 174,446.41

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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.