Home / 104,067.93-143,614.20-56,321.28

Finding the Fourth Proportional to 104,067.93, 143,614.20 and 56,321.28

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Solution

The fourth proportional to 104,067.93, 143,614.20 and 56,321.28 is: 77,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,067.93 : 143,614.20 = 56,321.28 : x
  2. Step 2: Convert to fraction form
    104,067.93/143,614.20 = 56,321.28/x
  3. Step 3: Cross multiply
    104,067.93x = 143,614.20 × 56,321.28
  4. Step 4: Simplify right side
    104,067.93x = 8,088,535,570.18
  5. Step 5: Solve for x
    x = 8,088,535,570.18/104,067.93
  6. Step 6: Final answer
    x = 77,723.61

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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.