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Finding the Fourth Proportional to 109,699, 164,549.46 and 26,593

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Solution

The fourth proportional to 109,699, 164,549.46 and 26,593 is: 39,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,699 : 164,549.46 = 26,593 : x
  2. Step 2: Convert to fraction form
    109,699/164,549.46 = 26,593/x
  3. Step 3: Cross multiply
    109,699x = 164,549.46 × 26,593
  4. Step 4: Simplify right side
    109,699x = 4,375,863,789.78
  5. Step 5: Solve for x
    x = 4,375,863,789.78/109,699
  6. Step 6: Final answer
    x = 39,889.73

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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.