Home / 194,745.25-268,748.45-138,255.04

Finding the Fourth Proportional to 194,745.25, 268,748.45 and 138,255.04

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Solution

The fourth proportional to 194,745.25, 268,748.45 and 138,255.04 is: 190,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,745.25 : 268,748.45 = 138,255.04 : x
  2. Step 2: Convert to fraction form
    194,745.25/268,748.45 = 138,255.04/x
  3. Step 3: Cross multiply
    194,745.25x = 268,748.45 × 138,255.04
  4. Step 4: Simplify right side
    194,745.25x = 37,155,827,704.69
  5. Step 5: Solve for x
    x = 37,155,827,704.69/194,745.25
  6. Step 6: Final answer
    x = 190,791.96

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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.