Home / 129,858.45-194,805.90-41,102.70

Finding the Fourth Proportional to 129,858.45, 194,805.90 and 41,102.70

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Solution

The fourth proportional to 129,858.45, 194,805.90 and 41,102.70 is: 61,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,858.45 : 194,805.90 = 41,102.70 : x
  2. Step 2: Convert to fraction form
    129,858.45/194,805.90 = 41,102.70/x
  3. Step 3: Cross multiply
    129,858.45x = 194,805.90 × 41,102.70
  4. Step 4: Simplify right side
    129,858.45x = 8,007,048,465.93
  5. Step 5: Solve for x
    x = 8,007,048,465.93/129,858.45
  6. Step 6: Final answer
    x = 61,659.82

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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.