Home / 193,825.20-290,081.70-170,205.60

Finding the Fourth Proportional to 193,825.20, 290,081.70 and 170,205.60

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Solution

The fourth proportional to 193,825.20, 290,081.70 and 170,205.60 is: 254,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,825.20 : 290,081.70 = 170,205.60 : x
  2. Step 2: Convert to fraction form
    193,825.20/290,081.70 = 170,205.60/x
  3. Step 3: Cross multiply
    193,825.20x = 290,081.70 × 170,205.60
  4. Step 4: Simplify right side
    193,825.20x = 49,373,529,797.52
  5. Step 5: Solve for x
    x = 49,373,529,797.52/193,825.20
  6. Step 6: Final answer
    x = 254,732.25

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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.