Home / 394,056.13-591,167.22-127,795.88

Finding the Fourth Proportional to 394,056.13, 591,167.22 and 127,795.88

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Solution

The fourth proportional to 394,056.13, 591,167.22 and 127,795.88 is: 191,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,056.13 : 591,167.22 = 127,795.88 : x
  2. Step 2: Convert to fraction form
    394,056.13/591,167.22 = 127,795.88/x
  3. Step 3: Cross multiply
    394,056.13x = 591,167.22 × 127,795.88
  4. Step 4: Simplify right side
    394,056.13x = 75,548,735,107.05
  5. Step 5: Solve for x
    x = 75,548,735,107.05/394,056.13
  6. Step 6: Final answer
    x = 191,720.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.