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Finding the Fourth Proportional to 133,765.70, 184,477.10 and 88,489.94

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Solution

The fourth proportional to 133,765.70, 184,477.10 and 88,489.94 is: 122,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,765.70 : 184,477.10 = 88,489.94 : x
  2. Step 2: Convert to fraction form
    133,765.70/184,477.10 = 88,489.94/x
  3. Step 3: Cross multiply
    133,765.70x = 184,477.10 × 88,489.94
  4. Step 4: Simplify right side
    133,765.70x = 16,324,367,510.37
  5. Step 5: Solve for x
    x = 16,324,367,510.37/133,765.70
  6. Step 6: Final answer
    x = 122,037.02

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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.