Home / 281,890.53-422,771.09-168,070.54

Finding the Fourth Proportional to 281,890.53, 422,771.09 and 168,070.54

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Solution

The fourth proportional to 281,890.53, 422,771.09 and 168,070.54 is: 252,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,890.53 : 422,771.09 = 168,070.54 : x
  2. Step 2: Convert to fraction form
    281,890.53/422,771.09 = 168,070.54/x
  3. Step 3: Cross multiply
    281,890.53x = 422,771.09 × 168,070.54
  4. Step 4: Simplify right side
    281,890.53x = 71,055,365,392.69
  5. Step 5: Solve for x
    x = 71,055,365,392.69/281,890.53
  6. Step 6: Final answer
    x = 252,067.23

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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.