Home / 133,108.94-199,608.32-54,169.58

Finding the Fourth Proportional to 133,108.94, 199,608.32 and 54,169.58

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Solution

The fourth proportional to 133,108.94, 199,608.32 and 54,169.58 is: 81,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,108.94 : 199,608.32 = 54,169.58 : x
  2. Step 2: Convert to fraction form
    133,108.94/199,608.32 = 54,169.58/x
  3. Step 3: Cross multiply
    133,108.94x = 199,608.32 × 54,169.58
  4. Step 4: Simplify right side
    133,108.94x = 10,812,698,858.91
  5. Step 5: Solve for x
    x = 10,812,698,858.91/133,108.94
  6. Step 6: Final answer
    x = 81,231.95

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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.