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Finding the Fourth Proportional to 104,978.33, 157,466.77 and 26,092.43

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Solution

The fourth proportional to 104,978.33, 157,466.77 and 26,092.43 is: 39,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,978.33 : 157,466.77 = 26,092.43 : x
  2. Step 2: Convert to fraction form
    104,978.33/157,466.77 = 26,092.43/x
  3. Step 3: Cross multiply
    104,978.33x = 157,466.77 × 26,092.43
  4. Step 4: Simplify right side
    104,978.33x = 4,108,690,673.55
  5. Step 5: Solve for x
    x = 4,108,690,673.55/104,978.33
  6. Step 6: Final answer
    x = 39,138.46

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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.