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Finding the Fourth Proportional to 184,801.05, 255,025.31 and 99,917.37

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Solution

The fourth proportional to 184,801.05, 255,025.31 and 99,917.37 is: 137,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,801.05 : 255,025.31 = 99,917.37 : x
  2. Step 2: Convert to fraction form
    184,801.05/255,025.31 = 99,917.37/x
  3. Step 3: Cross multiply
    184,801.05x = 255,025.31 × 99,917.37
  4. Step 4: Simplify right side
    184,801.05x = 25,481,457,759.05
  5. Step 5: Solve for x
    x = 25,481,457,759.05/184,801.05
  6. Step 6: Final answer
    x = 137,885.89

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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.