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Finding the Fourth Proportional to 234,099.92, 323,056.86 and 126,671.85

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Solution

The fourth proportional to 234,099.92, 323,056.86 and 126,671.85 is: 174,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,099.92 : 323,056.86 = 126,671.85 : x
  2. Step 2: Convert to fraction form
    234,099.92/323,056.86 = 126,671.85/x
  3. Step 3: Cross multiply
    234,099.92x = 323,056.86 × 126,671.85
  4. Step 4: Simplify right side
    234,099.92x = 40,922,209,636.37
  5. Step 5: Solve for x
    x = 40,922,209,636.37/234,099.92
  6. Step 6: Final answer
    x = 174,806.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.