Home / 263,578.20-363,738.60-142,720.92

Finding the Fourth Proportional to 263,578.20, 363,738.60 and 142,720.92

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Solution

The fourth proportional to 263,578.20, 363,738.60 and 142,720.92 is: 196,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,578.20 : 363,738.60 = 142,720.92 : x
  2. Step 2: Convert to fraction form
    263,578.20/363,738.60 = 142,720.92/x
  3. Step 3: Cross multiply
    263,578.20x = 363,738.60 × 142,720.92
  4. Step 4: Simplify right side
    263,578.20x = 51,913,107,631.51
  5. Step 5: Solve for x
    x = 51,913,107,631.51/263,578.20
  6. Step 6: Final answer
    x = 196,955.24

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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.