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Finding the Fourth Proportional to 114,571.40, 171,919.74 and 44,453.48

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Solution

The fourth proportional to 114,571.40, 171,919.74 and 44,453.48 is: 66,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,571.40 : 171,919.74 = 44,453.48 : x
  2. Step 2: Convert to fraction form
    114,571.40/171,919.74 = 44,453.48/x
  3. Step 3: Cross multiply
    114,571.40x = 171,919.74 × 44,453.48
  4. Step 4: Simplify right side
    114,571.40x = 7,642,430,723.70
  5. Step 5: Solve for x
    x = 7,642,430,723.70/114,571.40
  6. Step 6: Final answer
    x = 66,704.52

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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.