Home / 189,441.71-261,410.94-104,553.30

Finding the Fourth Proportional to 189,441.71, 261,410.94 and 104,553.30

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Solution

The fourth proportional to 189,441.71, 261,410.94 and 104,553.30 is: 144,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,441.71 : 261,410.94 = 104,553.30 : x
  2. Step 2: Convert to fraction form
    189,441.71/261,410.94 = 104,553.30/x
  3. Step 3: Cross multiply
    189,441.71x = 261,410.94 × 104,553.30
  4. Step 4: Simplify right side
    189,441.71x = 27,331,376,433.10
  5. Step 5: Solve for x
    x = 27,331,376,433.10/189,441.71
  6. Step 6: Final answer
    x = 144,273.28

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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.