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Finding the Fourth Proportional to 117,217.53, 161,759.97 and 63,504

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Solution

The fourth proportional to 117,217.53, 161,759.97 and 63,504 is: 87,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,217.53 : 161,759.97 = 63,504 : x
  2. Step 2: Convert to fraction form
    117,217.53/161,759.97 = 63,504/x
  3. Step 3: Cross multiply
    117,217.53x = 161,759.97 × 63,504
  4. Step 4: Simplify right side
    117,217.53x = 10,272,405,134.88
  5. Step 5: Solve for x
    x = 10,272,405,134.88/117,217.53
  6. Step 6: Final answer
    x = 87,635.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.