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Finding the Fourth Proportional to 115,892.20, 173,636.70 and 53,434.60

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Solution

The fourth proportional to 115,892.20, 173,636.70 and 53,434.60 is: 80,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,892.20 : 173,636.70 = 53,434.60 : x
  2. Step 2: Convert to fraction form
    115,892.20/173,636.70 = 53,434.60/x
  3. Step 3: Cross multiply
    115,892.20x = 173,636.70 × 53,434.60
  4. Step 4: Simplify right side
    115,892.20x = 9,278,207,609.82
  5. Step 5: Solve for x
    x = 9,278,207,609.82/115,892.20
  6. Step 6: Final answer
    x = 80,058.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.