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Finding the Fourth Proportional to 113,919.54, 170,908.50 and 35,034.48

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Solution

The fourth proportional to 113,919.54, 170,908.50 and 35,034.48 is: 52,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,919.54 : 170,908.50 = 35,034.48 : x
  2. Step 2: Convert to fraction form
    113,919.54/170,908.50 = 35,034.48/x
  3. Step 3: Cross multiply
    113,919.54x = 170,908.50 × 35,034.48
  4. Step 4: Simplify right side
    113,919.54x = 5,987,690,425.08
  5. Step 5: Solve for x
    x = 5,987,690,425.08/113,919.54
  6. Step 6: Final answer
    x = 52,560.70

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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.