Home / 190,388.36-262,738.53-104,345.91

Finding the Fourth Proportional to 190,388.36, 262,738.53 and 104,345.91

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Solution

The fourth proportional to 190,388.36, 262,738.53 and 104,345.91 is: 143,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,388.36 : 262,738.53 = 104,345.91 : x
  2. Step 2: Convert to fraction form
    190,388.36/262,738.53 = 104,345.91/x
  3. Step 3: Cross multiply
    190,388.36x = 262,738.53 × 104,345.91
  4. Step 4: Simplify right side
    190,388.36x = 27,415,691,004.91
  5. Step 5: Solve for x
    x = 27,415,691,004.91/190,388.36
  6. Step 6: Final answer
    x = 143,998.78

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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.