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Finding the Fourth Proportional to 115,693.92, 173,557.33 and 35,738.68

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Solution

The fourth proportional to 115,693.92, 173,557.33 and 35,738.68 is: 53,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,693.92 : 173,557.33 = 35,738.68 : x
  2. Step 2: Convert to fraction form
    115,693.92/173,557.33 = 35,738.68/x
  3. Step 3: Cross multiply
    115,693.92x = 173,557.33 × 35,738.68
  4. Step 4: Simplify right side
    115,693.92x = 6,202,709,878.52
  5. Step 5: Solve for x
    x = 6,202,709,878.52/115,693.92
  6. Step 6: Final answer
    x = 53,613.10

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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.