Home / 104,067.99-143,613.83-56,321.33

Finding the Fourth Proportional to 104,067.99, 143,613.83 and 56,321.33

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Solution

The fourth proportional to 104,067.99, 143,613.83 and 56,321.33 is: 77,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,067.99 : 143,613.83 = 56,321.33 : x
  2. Step 2: Convert to fraction form
    104,067.99/143,613.83 = 56,321.33/x
  3. Step 3: Cross multiply
    104,067.99x = 143,613.83 × 56,321.33
  4. Step 4: Simplify right side
    104,067.99x = 8,088,521,911.99
  5. Step 5: Solve for x
    x = 8,088,521,911.99/104,067.99
  6. Step 6: Final answer
    x = 77,723.44

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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.