Home / 263,789.80-364,029.35-142,934.36

Finding the Fourth Proportional to 263,789.80, 364,029.35 and 142,934.36

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Solution

The fourth proportional to 263,789.80, 364,029.35 and 142,934.36 is: 197,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,789.80 : 364,029.35 = 142,934.36 : x
  2. Step 2: Convert to fraction form
    263,789.80/364,029.35 = 142,934.36/x
  3. Step 3: Cross multiply
    263,789.80x = 364,029.35 × 142,934.36
  4. Step 4: Simplify right side
    263,789.80x = 52,032,302,163.47
  5. Step 5: Solve for x
    x = 52,032,302,163.47/263,789.80
  6. Step 6: Final answer
    x = 197,249.11

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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.