Home / 129,907.80-194,867.17-41,164.81

Finding the Fourth Proportional to 129,907.80, 194,867.17 and 41,164.81

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Solution

The fourth proportional to 129,907.80, 194,867.17 and 41,164.81 is: 61,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,907.80 : 194,867.17 = 41,164.81 : x
  2. Step 2: Convert to fraction form
    129,907.80/194,867.17 = 41,164.81/x
  3. Step 3: Cross multiply
    129,907.80x = 194,867.17 × 41,164.81
  4. Step 4: Simplify right side
    129,907.80x = 8,021,669,438.21
  5. Step 5: Solve for x
    x = 8,021,669,438.21/129,907.80
  6. Step 6: Final answer
    x = 61,748.94

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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.