Home / 115,631.20-173,414.40-36,769.60

Finding the Fourth Proportional to 115,631.20, 173,414.40 and 36,769.60

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Solution

The fourth proportional to 115,631.20, 173,414.40 and 36,769.60 is: 55,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,631.20 : 173,414.40 = 36,769.60 : x
  2. Step 2: Convert to fraction form
    115,631.20/173,414.40 = 36,769.60/x
  3. Step 3: Cross multiply
    115,631.20x = 173,414.40 × 36,769.60
  4. Step 4: Simplify right side
    115,631.20x = 6,376,378,122.24
  5. Step 5: Solve for x
    x = 6,376,378,122.24/115,631.20
  6. Step 6: Final answer
    x = 55,144.10

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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.