Home / 198,471.84-274,034.04-122,093.60

Finding the Fourth Proportional to 198,471.84, 274,034.04 and 122,093.60

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Solution

The fourth proportional to 198,471.84, 274,034.04 and 122,093.60 is: 168,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,471.84 : 274,034.04 = 122,093.60 : x
  2. Step 2: Convert to fraction form
    198,471.84/274,034.04 = 122,093.60/x
  3. Step 3: Cross multiply
    198,471.84x = 274,034.04 × 122,093.60
  4. Step 4: Simplify right side
    198,471.84x = 33,457,802,466.14
  5. Step 5: Solve for x
    x = 33,457,802,466.14/198,471.84
  6. Step 6: Final answer
    x = 168,577.08

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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.