Home / 263,144.82-363,140.10-142,286.07

Finding the Fourth Proportional to 263,144.82, 363,140.10 and 142,286.07

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Solution

The fourth proportional to 263,144.82, 363,140.10 and 142,286.07 is: 196,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,144.82 : 363,140.10 = 142,286.07 : x
  2. Step 2: Convert to fraction form
    263,144.82/363,140.10 = 142,286.07/x
  3. Step 3: Cross multiply
    263,144.82x = 363,140.10 × 142,286.07
  4. Step 4: Simplify right side
    263,144.82x = 51,669,777,688.41
  5. Step 5: Solve for x
    x = 51,669,777,688.41/263,144.82
  6. Step 6: Final answer
    x = 196,354.91

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1.5x scale

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.