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Finding the Fourth Proportional to 115,419.56, 173,151.78 and 44,337

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Solution

The fourth proportional to 115,419.56, 173,151.78 and 44,337 is: 66,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,419.56 : 173,151.78 = 44,337 : x
  2. Step 2: Convert to fraction form
    115,419.56/173,151.78 = 44,337/x
  3. Step 3: Cross multiply
    115,419.56x = 173,151.78 × 44,337
  4. Step 4: Simplify right side
    115,419.56x = 7,677,030,469.86
  5. Step 5: Solve for x
    x = 7,677,030,469.86/115,419.56
  6. Step 6: Final answer
    x = 66,514.12

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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.