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Finding the Fourth Proportional to 184,253.92, 276,339.60 and 71,936.80

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Solution

The fourth proportional to 184,253.92, 276,339.60 and 71,936.80 is: 107,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,253.92 : 276,339.60 = 71,936.80 : x
  2. Step 2: Convert to fraction form
    184,253.92/276,339.60 = 71,936.80/x
  3. Step 3: Cross multiply
    184,253.92x = 276,339.60 × 71,936.80
  4. Step 4: Simplify right side
    184,253.92x = 19,878,986,537.28
  5. Step 5: Solve for x
    x = 19,878,986,537.28/184,253.92
  6. Step 6: Final answer
    x = 107,889.08

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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.