Home / 99,895.78-149,843.77-27,845.81

Finding the Fourth Proportional to 99,895.78, 149,843.77 and 27,845.81

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Solution

The fourth proportional to 99,895.78, 149,843.77 and 27,845.81 is: 41,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,895.78 : 149,843.77 = 27,845.81 : x
  2. Step 2: Convert to fraction form
    99,895.78/149,843.77 = 27,845.81/x
  3. Step 3: Cross multiply
    99,895.78x = 149,843.77 × 27,845.81
  4. Step 4: Simplify right side
    99,895.78x = 4,172,521,149.10
  5. Step 5: Solve for x
    x = 4,172,521,149.10/99,895.78
  6. Step 6: Final answer
    x = 41,768.74

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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.