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Finding the Fourth Proportional to 113,662.52, 170,486.64 and 34,770.48

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Solution

The fourth proportional to 113,662.52, 170,486.64 and 34,770.48 is: 52,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,662.52 : 170,486.64 = 34,770.48 : x
  2. Step 2: Convert to fraction form
    113,662.52/170,486.64 = 34,770.48/x
  3. Step 3: Cross multiply
    113,662.52x = 170,486.64 × 34,770.48
  4. Step 4: Simplify right side
    113,662.52x = 5,927,902,306.39
  5. Step 5: Solve for x
    x = 5,927,902,306.39/113,662.52
  6. Step 6: Final answer
    x = 52,153.54

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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.