Home / 190,661.45-263,107.79-104,620.16

Finding the Fourth Proportional to 190,661.45, 263,107.79 and 104,620.16

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Solution

The fourth proportional to 190,661.45, 263,107.79 and 104,620.16 is: 144,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,661.45 : 263,107.79 = 104,620.16 : x
  2. Step 2: Convert to fraction form
    190,661.45/263,107.79 = 104,620.16/x
  3. Step 3: Cross multiply
    190,661.45x = 263,107.79 × 104,620.16
  4. Step 4: Simplify right side
    190,661.45x = 27,526,378,722.55
  5. Step 5: Solve for x
    x = 27,526,378,722.55/190,661.45
  6. Step 6: Final answer
    x = 144,373.07

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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.