Home / 189,727.53-261,823.91-104,843.85

Finding the Fourth Proportional to 189,727.53, 261,823.91 and 104,843.85

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Solution

The fourth proportional to 189,727.53, 261,823.91 and 104,843.85 is: 144,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,727.53 : 261,823.91 = 104,843.85 : x
  2. Step 2: Convert to fraction form
    189,727.53/261,823.91 = 104,843.85/x
  3. Step 3: Cross multiply
    189,727.53x = 261,823.91 × 104,843.85
  4. Step 4: Simplify right side
    189,727.53x = 27,450,626,222.23
  5. Step 5: Solve for x
    x = 27,450,626,222.23/189,727.53
  6. Step 6: Final answer
    x = 144,684.47

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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.