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Finding the Fourth Proportional to 122,959.67, 184,340.04 and 51,836.34

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Solution

The fourth proportional to 122,959.67, 184,340.04 and 51,836.34 is: 77,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,959.67 : 184,340.04 = 51,836.34 : x
  2. Step 2: Convert to fraction form
    122,959.67/184,340.04 = 51,836.34/x
  3. Step 3: Cross multiply
    122,959.67x = 184,340.04 × 51,836.34
  4. Step 4: Simplify right side
    122,959.67x = 9,555,512,989.05
  5. Step 5: Solve for x
    x = 9,555,512,989.05/122,959.67
  6. Step 6: Final answer
    x = 77,712.58

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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.