Home / 187,921.44-281,843.91-69,564.65

Finding the Fourth Proportional to 187,921.44, 281,843.91 and 69,564.65

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Solution

The fourth proportional to 187,921.44, 281,843.91 and 69,564.65 is: 104,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,921.44 : 281,843.91 = 69,564.65 : x
  2. Step 2: Convert to fraction form
    187,921.44/281,843.91 = 69,564.65/x
  3. Step 3: Cross multiply
    187,921.44x = 281,843.91 × 69,564.65
  4. Step 4: Simplify right side
    187,921.44x = 19,606,371,544.56
  5. Step 5: Solve for x
    x = 19,606,371,544.56/187,921.44
  6. Step 6: Final answer
    x = 104,332.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.