Home / 104,141.87-143,716.22-56,395.25

Finding the Fourth Proportional to 104,141.87, 143,716.22 and 56,395.25

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Solution

The fourth proportional to 104,141.87, 143,716.22 and 56,395.25 is: 77,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,141.87 : 143,716.22 = 56,395.25 : x
  2. Step 2: Convert to fraction form
    104,141.87/143,716.22 = 56,395.25/x
  3. Step 3: Cross multiply
    104,141.87x = 143,716.22 × 56,395.25
  4. Step 4: Simplify right side
    104,141.87x = 8,104,912,233.27
  5. Step 5: Solve for x
    x = 8,104,912,233.27/104,141.87
  6. Step 6: Final answer
    x = 77,825.69

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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.