Home / 129,917.76-194,837.04-67,554.24

Finding the Fourth Proportional to 129,917.76, 194,837.04 and 67,554.24

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Solution

The fourth proportional to 129,917.76, 194,837.04 and 67,554.24 is: 101,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,917.76 : 194,837.04 = 67,554.24 : x
  2. Step 2: Convert to fraction form
    129,917.76/194,837.04 = 67,554.24/x
  3. Step 3: Cross multiply
    129,917.76x = 194,837.04 × 67,554.24
  4. Step 4: Simplify right side
    129,917.76x = 13,162,068,161.05
  5. Step 5: Solve for x
    x = 13,162,068,161.05/129,917.76
  6. Step 6: Final answer
    x = 101,310.77

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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.