Home / 190,388.31-262,739.25-104,341.59

Finding the Fourth Proportional to 190,388.31, 262,739.25 and 104,341.59

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Solution

The fourth proportional to 190,388.31, 262,739.25 and 104,341.59 is: 143,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,388.31 : 262,739.25 = 104,341.59 : x
  2. Step 2: Convert to fraction form
    190,388.31/262,739.25 = 104,341.59/x
  3. Step 3: Cross multiply
    190,388.31x = 262,739.25 × 104,341.59
  4. Step 4: Simplify right side
    190,388.31x = 27,414,631,100.41
  5. Step 5: Solve for x
    x = 27,414,631,100.41/190,388.31
  6. Step 6: Final answer
    x = 143,993.25

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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.