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Finding the Fourth Proportional to 104,161, 143,742.74 and 56,414.48

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Solution

The fourth proportional to 104,161, 143,742.74 and 56,414.48 is: 77,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,161 : 143,742.74 = 56,414.48 : x
  2. Step 2: Convert to fraction form
    104,161/143,742.74 = 56,414.48/x
  3. Step 3: Cross multiply
    104,161x = 143,742.74 × 56,414.48
  4. Step 4: Simplify right side
    104,161x = 8,109,171,930.88
  5. Step 5: Solve for x
    x = 8,109,171,930.88/104,161
  6. Step 6: Final answer
    x = 77,852.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.