Home / 190,382.92-262,721.82-105,507.88

Finding the Fourth Proportional to 190,382.92, 262,721.82 and 105,507.88

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Solution

The fourth proportional to 190,382.92, 262,721.82 and 105,507.88 is: 145,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,382.92 : 262,721.82 = 105,507.88 : x
  2. Step 2: Convert to fraction form
    190,382.92/262,721.82 = 105,507.88/x
  3. Step 3: Cross multiply
    190,382.92x = 262,721.82 × 105,507.88
  4. Step 4: Simplify right side
    190,382.92x = 27,719,222,257.94
  5. Step 5: Solve for x
    x = 27,719,222,257.94/190,382.92
  6. Step 6: Final answer
    x = 145,597.21

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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.