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Finding the Fourth Proportional to 104,745.39, 156,994.46 and 44,756.32

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Solution

The fourth proportional to 104,745.39, 156,994.46 and 44,756.32 is: 67,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.39 : 156,994.46 = 44,756.32 : x
  2. Step 2: Convert to fraction form
    104,745.39/156,994.46 = 44,756.32/x
  3. Step 3: Cross multiply
    104,745.39x = 156,994.46 × 44,756.32
  4. Step 4: Simplify right side
    104,745.39x = 7,026,493,505.01
  5. Step 5: Solve for x
    x = 7,026,493,505.01/104,745.39
  6. Step 6: Final answer
    x = 67,081.65

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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.