Home / 189,163.39-261,047.23-104,283.49

Finding the Fourth Proportional to 189,163.39, 261,047.23 and 104,283.49

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Solution

The fourth proportional to 189,163.39, 261,047.23 and 104,283.49 is: 143,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,163.39 : 261,047.23 = 104,283.49 : x
  2. Step 2: Convert to fraction form
    189,163.39/261,047.23 = 104,283.49/x
  3. Step 3: Cross multiply
    189,163.39x = 261,047.23 × 104,283.49
  4. Step 4: Simplify right side
    189,163.39x = 27,222,916,199.23
  5. Step 5: Solve for x
    x = 27,222,916,199.23/189,163.39
  6. Step 6: Final answer
    x = 143,912.18

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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.