Home / 193,440.42-290,067.24-81,090.46

Finding the Fourth Proportional to 193,440.42, 290,067.24 and 81,090.46

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Solution

The fourth proportional to 193,440.42, 290,067.24 and 81,090.46 is: 121,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,440.42 : 290,067.24 = 81,090.46 : x
  2. Step 2: Convert to fraction form
    193,440.42/290,067.24 = 81,090.46/x
  3. Step 3: Cross multiply
    193,440.42x = 290,067.24 × 81,090.46
  4. Step 4: Simplify right side
    193,440.42x = 23,521,685,922.53
  5. Step 5: Solve for x
    x = 23,521,685,922.53/193,440.42
  6. Step 6: Final answer
    x = 121,596.54

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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.