Home / 104,396.11-144,067.01-56,649.46

Finding the Fourth Proportional to 104,396.11, 144,067.01 and 56,649.46

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Solution

The fourth proportional to 104,396.11, 144,067.01 and 56,649.46 is: 78,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,396.11 : 144,067.01 = 56,649.46 : x
  2. Step 2: Convert to fraction form
    104,396.11/144,067.01 = 56,649.46/x
  3. Step 3: Cross multiply
    104,396.11x = 144,067.01 × 56,649.46
  4. Step 4: Simplify right side
    104,396.11x = 8,161,318,425.01
  5. Step 5: Solve for x
    x = 8,161,318,425.01/104,396.11
  6. Step 6: Final answer
    x = 78,176.46

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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.