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Finding the Fourth Proportional to 131,055.75, 196,583.72 and 32,559.75

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Solution

The fourth proportional to 131,055.75, 196,583.72 and 32,559.75 is: 48,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,055.75 : 196,583.72 = 32,559.75 : x
  2. Step 2: Convert to fraction form
    131,055.75/196,583.72 = 32,559.75/x
  3. Step 3: Cross multiply
    131,055.75x = 196,583.72 × 32,559.75
  4. Step 4: Simplify right side
    131,055.75x = 6,400,716,614.47
  5. Step 5: Solve for x
    x = 6,400,716,614.47/131,055.75
  6. Step 6: Final answer
    x = 48,839.65

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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.