Home / 129,918.58-194,865.10-88,067.50

Finding the Fourth Proportional to 129,918.58, 194,865.10 and 88,067.50

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Solution

The fourth proportional to 129,918.58, 194,865.10 and 88,067.50 is: 132,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,918.58 : 194,865.10 = 88,067.50 : x
  2. Step 2: Convert to fraction form
    129,918.58/194,865.10 = 88,067.50/x
  3. Step 3: Cross multiply
    129,918.58x = 194,865.10 × 88,067.50
  4. Step 4: Simplify right side
    129,918.58x = 17,161,282,194.25
  5. Step 5: Solve for x
    x = 17,161,282,194.25/129,918.58
  6. Step 6: Final answer
    x = 132,092.59

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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.