Home / 194,759.82-292,242.58-138,199.20

Finding the Fourth Proportional to 194,759.82, 292,242.58 and 138,199.20

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Solution

The fourth proportional to 194,759.82, 292,242.58 and 138,199.20 is: 207,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,759.82 : 292,242.58 = 138,199.20 : x
  2. Step 2: Convert to fraction form
    194,759.82/292,242.58 = 138,199.20/x
  3. Step 3: Cross multiply
    194,759.82x = 292,242.58 × 138,199.20
  4. Step 4: Simplify right side
    194,759.82x = 40,387,691,299.99
  5. Step 5: Solve for x
    x = 40,387,691,299.99/194,759.82
  6. Step 6: Final answer
    x = 207,371.79

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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.