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Finding the Fourth Proportional to 117,753.57, 176,632.40 and 33,515.90

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Solution

The fourth proportional to 117,753.57, 176,632.40 and 33,515.90 is: 50,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753.57 : 176,632.40 = 33,515.90 : x
  2. Step 2: Convert to fraction form
    117,753.57/176,632.40 = 33,515.90/x
  3. Step 3: Cross multiply
    117,753.57x = 176,632.40 × 33,515.90
  4. Step 4: Simplify right side
    117,753.57x = 5,919,993,855.16
  5. Step 5: Solve for x
    x = 5,919,993,855.16/117,753.57
  6. Step 6: Final answer
    x = 50,274.43

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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.