Home / 129,749.76-194,607.90-41,012.24

Finding the Fourth Proportional to 129,749.76, 194,607.90 and 41,012.24

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Solution

The fourth proportional to 129,749.76, 194,607.90 and 41,012.24 is: 61,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749.76 : 194,607.90 = 41,012.24 : x
  2. Step 2: Convert to fraction form
    129,749.76/194,607.90 = 41,012.24/x
  3. Step 3: Cross multiply
    129,749.76x = 194,607.90 × 41,012.24
  4. Step 4: Simplify right side
    129,749.76x = 7,981,305,900.70
  5. Step 5: Solve for x
    x = 7,981,305,900.70/129,749.76
  6. Step 6: Final answer
    x = 61,513.07

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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.