Home / 129,971.52-194,884.38-41,208.48

Finding the Fourth Proportional to 129,971.52, 194,884.38 and 41,208.48

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Solution

The fourth proportional to 129,971.52, 194,884.38 and 41,208.48 is: 61,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,971.52 : 194,884.38 = 41,208.48 : x
  2. Step 2: Convert to fraction form
    129,971.52/194,884.38 = 41,208.48/x
  3. Step 3: Cross multiply
    129,971.52x = 194,884.38 × 41,208.48
  4. Step 4: Simplify right side
    129,971.52x = 8,030,889,075.54
  5. Step 5: Solve for x
    x = 8,030,889,075.54/129,971.52
  6. Step 6: Final answer
    x = 61,789.61

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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.