Home / 133,053.45-199,604.48-54,175.65

Finding the Fourth Proportional to 133,053.45, 199,604.48 and 54,175.65

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Solution

The fourth proportional to 133,053.45, 199,604.48 and 54,175.65 is: 81,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.45 : 199,604.48 = 54,175.65 : x
  2. Step 2: Convert to fraction form
    133,053.45/199,604.48 = 54,175.65/x
  3. Step 3: Cross multiply
    133,053.45x = 199,604.48 × 54,175.65
  4. Step 4: Simplify right side
    133,053.45x = 10,813,702,176.03
  5. Step 5: Solve for x
    x = 10,813,702,176.03/133,053.45
  6. Step 6: Final answer
    x = 81,273.37

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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.