Home / 132,908.82-199,396.02-39,414.57

Finding the Fourth Proportional to 132,908.82, 199,396.02 and 39,414.57

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Solution

The fourth proportional to 132,908.82, 199,396.02 and 39,414.57 is: 59,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,908.82 : 199,396.02 = 39,414.57 : x
  2. Step 2: Convert to fraction form
    132,908.82/199,396.02 = 39,414.57/x
  3. Step 3: Cross multiply
    132,908.82x = 199,396.02 × 39,414.57
  4. Step 4: Simplify right side
    132,908.82x = 7,859,108,388.01
  5. Step 5: Solve for x
    x = 7,859,108,388.01/132,908.82
  6. Step 6: Final answer
    x = 59,131.58

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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.