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Finding the Fourth Proportional to 122,717.44, 184,095.64 and 39,592

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Solution

The fourth proportional to 122,717.44, 184,095.64 and 39,592 is: 59,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,717.44 : 184,095.64 = 39,592 : x
  2. Step 2: Convert to fraction form
    122,717.44/184,095.64 = 39,592/x
  3. Step 3: Cross multiply
    122,717.44x = 184,095.64 × 39,592
  4. Step 4: Simplify right side
    122,717.44x = 7,288,714,578.88
  5. Step 5: Solve for x
    x = 7,288,714,578.88/122,717.44
  6. Step 6: Final answer
    x = 59,394.28

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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.