Home / 189,824.62-261,944.82-104,935

Finding the Fourth Proportional to 189,824.62, 261,944.82 and 104,935

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Solution

The fourth proportional to 189,824.62, 261,944.82 and 104,935 is: 144,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,824.62 : 261,944.82 = 104,935 : x
  2. Step 2: Convert to fraction form
    189,824.62/261,944.82 = 104,935/x
  3. Step 3: Cross multiply
    189,824.62x = 261,944.82 × 104,935
  4. Step 4: Simplify right side
    189,824.62x = 27,487,179,686.70
  5. Step 5: Solve for x
    x = 27,487,179,686.70/189,824.62
  6. Step 6: Final answer
    x = 144,803.03

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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.