Home / 91,181.10-136,757.97-28,843.50

Finding the Fourth Proportional to 91,181.10, 136,757.97 and 28,843.50

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Solution

The fourth proportional to 91,181.10, 136,757.97 and 28,843.50 is: 43,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.10 : 136,757.97 = 28,843.50 : x
  2. Step 2: Convert to fraction form
    91,181.10/136,757.97 = 28,843.50/x
  3. Step 3: Cross multiply
    91,181.10x = 136,757.97 × 28,843.50
  4. Step 4: Simplify right side
    91,181.10x = 3,944,578,507.70
  5. Step 5: Solve for x
    x = 3,944,578,507.70/91,181.10
  6. Step 6: Final answer
    x = 43,260.92

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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.