Home / 115,424.20-173,093.10-40,515.40

Finding the Fourth Proportional to 115,424.20, 173,093.10 and 40,515.40

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Solution

The fourth proportional to 115,424.20, 173,093.10 and 40,515.40 is: 60,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,424.20 : 173,093.10 = 40,515.40 : x
  2. Step 2: Convert to fraction form
    115,424.20/173,093.10 = 40,515.40/x
  3. Step 3: Cross multiply
    115,424.20x = 173,093.10 × 40,515.40
  4. Step 4: Simplify right side
    115,424.20x = 7,012,936,183.74
  5. Step 5: Solve for x
    x = 7,012,936,183.74/115,424.20
  6. Step 6: Final answer
    x = 60,757.94

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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.