Home / 263,420.03-363,520.07-142,561.41

Finding the Fourth Proportional to 263,420.03, 363,520.07 and 142,561.41

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Solution

The fourth proportional to 263,420.03, 363,520.07 and 142,561.41 is: 196,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,420.03 : 363,520.07 = 142,561.41 : x
  2. Step 2: Convert to fraction form
    263,420.03/363,520.07 = 142,561.41/x
  3. Step 3: Cross multiply
    263,420.03x = 363,520.07 × 142,561.41
  4. Step 4: Simplify right side
    263,420.03x = 51,823,933,029.69
  5. Step 5: Solve for x
    x = 51,823,933,029.69/263,420.03
  6. Step 6: Final answer
    x = 196,734.98

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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.