Home / 190,136.66-262,388.66-104,101.21

Finding the Fourth Proportional to 190,136.66, 262,388.66 and 104,101.21

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Solution

The fourth proportional to 190,136.66, 262,388.66 and 104,101.21 is: 143,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,136.66 : 262,388.66 = 104,101.21 : x
  2. Step 2: Convert to fraction form
    190,136.66/262,388.66 = 104,101.21/x
  3. Step 3: Cross multiply
    190,136.66x = 262,388.66 × 104,101.21
  4. Step 4: Simplify right side
    190,136.66x = 27,314,977,652.25
  5. Step 5: Solve for x
    x = 27,314,977,652.25/190,136.66
  6. Step 6: Final answer
    x = 143,659.71

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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.