Home / 263,736.41-363,955.82-142,880.76

Finding the Fourth Proportional to 263,736.41, 363,955.82 and 142,880.76

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Solution

The fourth proportional to 263,736.41, 363,955.82 and 142,880.76 is: 197,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,736.41 : 363,955.82 = 142,880.76 : x
  2. Step 2: Convert to fraction form
    263,736.41/363,955.82 = 142,880.76/x
  3. Step 3: Cross multiply
    263,736.41x = 363,955.82 × 142,880.76
  4. Step 4: Simplify right side
    263,736.41x = 52,002,283,453.62
  5. Step 5: Solve for x
    x = 52,002,283,453.62/263,736.41
  6. Step 6: Final answer
    x = 197,175.22

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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.