Home / 129,486.87-194,214.33-34,724.16

Finding the Fourth Proportional to 129,486.87, 194,214.33 and 34,724.16

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Solution

The fourth proportional to 129,486.87, 194,214.33 and 34,724.16 is: 52,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,486.87 : 194,214.33 = 34,724.16 : x
  2. Step 2: Convert to fraction form
    129,486.87/194,214.33 = 34,724.16/x
  3. Step 3: Cross multiply
    129,486.87x = 194,214.33 × 34,724.16
  4. Step 4: Simplify right side
    129,486.87x = 6,743,929,469.21
  5. Step 5: Solve for x
    x = 6,743,929,469.21/129,486.87
  6. Step 6: Final answer
    x = 52,081.96

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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.