Home / 262,942.53-362,860.55-142,083.78

Finding the Fourth Proportional to 262,942.53, 362,860.55 and 142,083.78

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Solution

The fourth proportional to 262,942.53, 362,860.55 and 142,083.78 is: 196,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,942.53 : 362,860.55 = 142,083.78 : x
  2. Step 2: Convert to fraction form
    262,942.53/362,860.55 = 142,083.78/x
  3. Step 3: Cross multiply
    262,942.53x = 362,860.55 × 142,083.78
  4. Step 4: Simplify right side
    262,942.53x = 51,556,598,221.99
  5. Step 5: Solve for x
    x = 51,556,598,221.99/262,942.53
  6. Step 6: Final answer
    x = 196,075.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.