Home / 188,965.08-260,768.68-104,090.04

Finding the Fourth Proportional to 188,965.08, 260,768.68 and 104,090.04

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Solution

The fourth proportional to 188,965.08, 260,768.68 and 104,090.04 is: 143,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,965.08 : 260,768.68 = 104,090.04 : x
  2. Step 2: Convert to fraction form
    188,965.08/260,768.68 = 104,090.04/x
  3. Step 3: Cross multiply
    188,965.08x = 260,768.68 × 104,090.04
  4. Step 4: Simplify right side
    188,965.08x = 27,143,422,331.95
  5. Step 5: Solve for x
    x = 27,143,422,331.95/188,965.08
  6. Step 6: Final answer
    x = 143,642.53

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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.