Home / 188,054.78-259,515.55-106,381.26

Finding the Fourth Proportional to 188,054.78, 259,515.55 and 106,381.26

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Solution

The fourth proportional to 188,054.78, 259,515.55 and 106,381.26 is: 146,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,054.78 : 259,515.55 = 106,381.26 : x
  2. Step 2: Convert to fraction form
    188,054.78/259,515.55 = 106,381.26/x
  3. Step 3: Cross multiply
    188,054.78x = 259,515.55 × 106,381.26
  4. Step 4: Simplify right side
    188,054.78x = 27,607,590,932.64
  5. Step 5: Solve for x
    x = 27,607,590,932.64/188,054.78
  6. Step 6: Final answer
    x = 146,806.12

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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.