Home / 91,249.52-136,917.60-63,212.72

Finding the Fourth Proportional to 91,249.52, 136,917.60 and 63,212.72

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Solution

The fourth proportional to 91,249.52, 136,917.60 and 63,212.72 is: 94,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249.52 : 136,917.60 = 63,212.72 : x
  2. Step 2: Convert to fraction form
    91,249.52/136,917.60 = 63,212.72/x
  3. Step 3: Cross multiply
    91,249.52x = 136,917.60 × 63,212.72
  4. Step 4: Simplify right side
    91,249.52x = 8,654,933,911.87
  5. Step 5: Solve for x
    x = 8,654,933,911.87/91,249.52
  6. Step 6: Final answer
    x = 94,849.09

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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.