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Finding the Fourth Proportional to 113,489.60, 170,234.40 and 34,603.70

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Solution

The fourth proportional to 113,489.60, 170,234.40 and 34,603.70 is: 51,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,489.60 : 170,234.40 = 34,603.70 : x
  2. Step 2: Convert to fraction form
    113,489.60/170,234.40 = 34,603.70/x
  3. Step 3: Cross multiply
    113,489.60x = 170,234.40 × 34,603.70
  4. Step 4: Simplify right side
    113,489.60x = 5,890,740,107.28
  5. Step 5: Solve for x
    x = 5,890,740,107.28/113,489.60
  6. Step 6: Final answer
    x = 51,905.55

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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.