Home / 190,335.36-262,665-104,296.80

Finding the Fourth Proportional to 190,335.36, 262,665 and 104,296.80

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Solution

The fourth proportional to 190,335.36, 262,665 and 104,296.80 is: 143,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,335.36 : 262,665 = 104,296.80 : x
  2. Step 2: Convert to fraction form
    190,335.36/262,665 = 104,296.80/x
  3. Step 3: Cross multiply
    190,335.36x = 262,665 × 104,296.80
  4. Step 4: Simplify right side
    190,335.36x = 27,395,118,972
  5. Step 5: Solve for x
    x = 27,395,118,972/190,335.36
  6. Step 6: Final answer
    x = 143,930.79

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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.