Home / 189,825.62-261,946.20-104,936

Finding the Fourth Proportional to 189,825.62, 261,946.20 and 104,936

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Solution

The fourth proportional to 189,825.62, 261,946.20 and 104,936 is: 144,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,825.62 : 261,946.20 = 104,936 : x
  2. Step 2: Convert to fraction form
    189,825.62/261,946.20 = 104,936/x
  3. Step 3: Cross multiply
    189,825.62x = 261,946.20 × 104,936
  4. Step 4: Simplify right side
    189,825.62x = 27,487,586,443.20
  5. Step 5: Solve for x
    x = 27,487,586,443.20/189,825.62
  6. Step 6: Final answer
    x = 144,804.41

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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.