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Finding the Fourth Proportional to 188,362.00, 259,942.32 and 102,322.59

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Solution

The fourth proportional to 188,362.00, 259,942.32 and 102,322.59 is: 141,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,362.00 : 259,942.32 = 102,322.59 : x
  2. Step 2: Convert to fraction form
    188,362.00/259,942.32 = 102,322.59/x
  3. Step 3: Cross multiply
    188,362.00x = 259,942.32 × 102,322.59
  4. Step 4: Simplify right side
    188,362.00x = 26,597,972,407.79
  5. Step 5: Solve for x
    x = 26,597,972,407.79/188,362.00
  6. Step 6: Final answer
    x = 141,206.68

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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.