Home / 254,788.21-382,190.96-67,799.89

Finding the Fourth Proportional to 254,788.21, 382,190.96 and 67,799.89

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Solution

The fourth proportional to 254,788.21, 382,190.96 and 67,799.89 is: 101,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,788.21 : 382,190.96 = 67,799.89 : x
  2. Step 2: Convert to fraction form
    254,788.21/382,190.96 = 67,799.89/x
  3. Step 3: Cross multiply
    254,788.21x = 382,190.96 × 67,799.89
  4. Step 4: Simplify right side
    254,788.21x = 25,912,505,046.99
  5. Step 5: Solve for x
    x = 25,912,505,046.99/254,788.21
  6. Step 6: Final answer
    x = 101,702.14

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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.