Home / 263,947.61-364,249.57-143,090.80

Finding the Fourth Proportional to 263,947.61, 364,249.57 and 143,090.80

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Solution

The fourth proportional to 263,947.61, 364,249.57 and 143,090.80 is: 197,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,947.61 : 364,249.57 = 143,090.80 : x
  2. Step 2: Convert to fraction form
    263,947.61/364,249.57 = 143,090.80/x
  3. Step 3: Cross multiply
    263,947.61x = 364,249.57 × 143,090.80
  4. Step 4: Simplify right side
    263,947.61x = 52,120,759,834.25
  5. Step 5: Solve for x
    x = 52,120,759,834.25/263,947.61
  6. Step 6: Final answer
    x = 197,466.31

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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.