Home / 129,808.20-194,719.39-41,055.09

Finding the Fourth Proportional to 129,808.20, 194,719.39 and 41,055.09

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Solution

The fourth proportional to 129,808.20, 194,719.39 and 41,055.09 is: 61,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,808.20 : 194,719.39 = 41,055.09 : x
  2. Step 2: Convert to fraction form
    129,808.20/194,719.39 = 41,055.09/x
  3. Step 3: Cross multiply
    129,808.20x = 194,719.39 × 41,055.09
  4. Step 4: Simplify right side
    129,808.20x = 7,994,221,479.29
  5. Step 5: Solve for x
    x = 7,994,221,479.29/129,808.20
  6. Step 6: Final answer
    x = 61,584.87

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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.