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Finding the Fourth Proportional to 117,170.25, 175,785.35 and 34,064.25

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Solution

The fourth proportional to 117,170.25, 175,785.35 and 34,064.25 is: 51,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,170.25 : 175,785.35 = 34,064.25 : x
  2. Step 2: Convert to fraction form
    117,170.25/175,785.35 = 34,064.25/x
  3. Step 3: Cross multiply
    117,170.25x = 175,785.35 × 34,064.25
  4. Step 4: Simplify right side
    117,170.25x = 5,987,995,938.42
  5. Step 5: Solve for x
    x = 5,987,995,938.42/117,170.25
  6. Step 6: Final answer
    x = 51,105.09

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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.