Home / 263,203.11-363,220.39-142,344.48

Finding the Fourth Proportional to 263,203.11, 363,220.39 and 142,344.48

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Solution

The fourth proportional to 263,203.11, 363,220.39 and 142,344.48 is: 196,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,203.11 : 363,220.39 = 142,344.48 : x
  2. Step 2: Convert to fraction form
    263,203.11/363,220.39 = 142,344.48/x
  3. Step 3: Cross multiply
    263,203.11x = 363,220.39 × 142,344.48
  4. Step 4: Simplify right side
    263,203.11x = 51,702,417,539.95
  5. Step 5: Solve for x
    x = 51,702,417,539.95/263,203.11
  6. Step 6: Final answer
    x = 196,435.44

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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.