Home / 103,974.09-143,484.30-56,227.43

Finding the Fourth Proportional to 103,974.09, 143,484.30 and 56,227.43

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Solution

The fourth proportional to 103,974.09, 143,484.30 and 56,227.43 is: 77,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.09 : 143,484.30 = 56,227.43 : x
  2. Step 2: Convert to fraction form
    103,974.09/143,484.30 = 56,227.43/x
  3. Step 3: Cross multiply
    103,974.09x = 143,484.30 × 56,227.43
  4. Step 4: Simplify right side
    103,974.09x = 8,067,753,434.35
  5. Step 5: Solve for x
    x = 8,067,753,434.35/103,974.09
  6. Step 6: Final answer
    x = 77,593.88

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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.