Home / 394,122.36-591,173.46-109,811.64

Finding the Fourth Proportional to 394,122.36, 591,173.46 and 109,811.64

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Solution

The fourth proportional to 394,122.36, 591,173.46 and 109,811.64 is: 164,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,122.36 : 591,173.46 = 109,811.64 : x
  2. Step 2: Convert to fraction form
    394,122.36/591,173.46 = 109,811.64/x
  3. Step 3: Cross multiply
    394,122.36x = 591,173.46 × 109,811.64
  4. Step 4: Simplify right side
    394,122.36x = 64,917,727,167.07
  5. Step 5: Solve for x
    x = 64,917,727,167.07/394,122.36
  6. Step 6: Final answer
    x = 164,714.65

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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.