Home / 188,997.03-260,816.36-104,115.51

Finding the Fourth Proportional to 188,997.03, 260,816.36 and 104,115.51

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Solution

The fourth proportional to 188,997.03, 260,816.36 and 104,115.51 is: 143,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,997.03 : 260,816.36 = 104,115.51 : x
  2. Step 2: Convert to fraction form
    188,997.03/260,816.36 = 104,115.51/x
  3. Step 3: Cross multiply
    188,997.03x = 260,816.36 × 104,115.51
  4. Step 4: Simplify right side
    188,997.03x = 27,155,027,817.17
  5. Step 5: Solve for x
    x = 27,155,027,817.17/188,997.03
  6. Step 6: Final answer
    x = 143,679.65

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1.5x scale

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.