Home / 129,942.96-194,921.37-41,203.41

Finding the Fourth Proportional to 129,942.96, 194,921.37 and 41,203.41

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Solution

The fourth proportional to 129,942.96, 194,921.37 and 41,203.41 is: 61,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,942.96 : 194,921.37 = 41,203.41 : x
  2. Step 2: Convert to fraction form
    129,942.96/194,921.37 = 41,203.41/x
  3. Step 3: Cross multiply
    129,942.96x = 194,921.37 × 41,203.41
  4. Step 4: Simplify right side
    129,942.96x = 8,031,425,125.87
  5. Step 5: Solve for x
    x = 8,031,425,125.87/129,942.96
  6. Step 6: Final answer
    x = 61,807.31

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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.