Home / 254,922.20-382,434.38-142,761.96

Finding the Fourth Proportional to 254,922.20, 382,434.38 and 142,761.96

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Solution

The fourth proportional to 254,922.20, 382,434.38 and 142,761.96 is: 214,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,922.20 : 382,434.38 = 142,761.96 : x
  2. Step 2: Convert to fraction form
    254,922.20/382,434.38 = 142,761.96/x
  3. Step 3: Cross multiply
    254,922.20x = 382,434.38 × 142,761.96
  4. Step 4: Simplify right side
    254,922.20x = 54,597,081,660.18
  5. Step 5: Solve for x
    x = 54,597,081,660.18/254,922.20
  6. Step 6: Final answer
    x = 214,171.55

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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.