Home / 129,664.25-194,449.61-54,790.19

Finding the Fourth Proportional to 129,664.25, 194,449.61 and 54,790.19

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Solution

The fourth proportional to 129,664.25, 194,449.61 and 54,790.19 is: 82,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,664.25 : 194,449.61 = 54,790.19 : x
  2. Step 2: Convert to fraction form
    129,664.25/194,449.61 = 54,790.19/x
  3. Step 3: Cross multiply
    129,664.25x = 194,449.61 × 54,790.19
  4. Step 4: Simplify right side
    129,664.25x = 10,653,930,803.38
  5. Step 5: Solve for x
    x = 10,653,930,803.38/129,664.25
  6. Step 6: Final answer
    x = 82,165.53

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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.