Home / 129,748.76-194,606.40-41,011.24

Finding the Fourth Proportional to 129,748.76, 194,606.40 and 41,011.24

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Solution

The fourth proportional to 129,748.76, 194,606.40 and 41,011.24 is: 61,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,748.76 : 194,606.40 = 41,011.24 : x
  2. Step 2: Convert to fraction form
    129,748.76/194,606.40 = 41,011.24/x
  3. Step 3: Cross multiply
    129,748.76x = 194,606.40 × 41,011.24
  4. Step 4: Simplify right side
    129,748.76x = 7,981,049,775.94
  5. Step 5: Solve for x
    x = 7,981,049,775.94/129,748.76
  6. Step 6: Final answer
    x = 61,511.57

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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.