Home / 129,163.67-193,749.16-35,669.42

Finding the Fourth Proportional to 129,163.67, 193,749.16 and 35,669.42

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Solution

The fourth proportional to 129,163.67, 193,749.16 and 35,669.42 is: 53,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,163.67 : 193,749.16 = 35,669.42 : x
  2. Step 2: Convert to fraction form
    129,163.67/193,749.16 = 35,669.42/x
  3. Step 3: Cross multiply
    129,163.67x = 193,749.16 × 35,669.42
  4. Step 4: Simplify right side
    129,163.67x = 6,910,920,162.69
  5. Step 5: Solve for x
    x = 6,910,920,162.69/129,163.67
  6. Step 6: Final answer
    x = 53,505.14

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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.