Home / 188,664.82-282,997.23-129,320.58

Finding the Fourth Proportional to 188,664.82, 282,997.23 and 129,320.58

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Solution

The fourth proportional to 188,664.82, 282,997.23 and 129,320.58 is: 193,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,664.82 : 282,997.23 = 129,320.58 : x
  2. Step 2: Convert to fraction form
    188,664.82/282,997.23 = 129,320.58/x
  3. Step 3: Cross multiply
    188,664.82x = 282,997.23 × 129,320.58
  4. Step 4: Simplify right side
    188,664.82x = 36,597,365,921.99
  5. Step 5: Solve for x
    x = 36,597,365,921.99/188,664.82
  6. Step 6: Final answer
    x = 193,980.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.