Home / 188,327.17-259,828.14-106,644.25

Finding the Fourth Proportional to 188,327.17, 259,828.14 and 106,644.25

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Solution

The fourth proportional to 188,327.17, 259,828.14 and 106,644.25 is: 147,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,327.17 : 259,828.14 = 106,644.25 : x
  2. Step 2: Convert to fraction form
    188,327.17/259,828.14 = 106,644.25/x
  3. Step 3: Cross multiply
    188,327.17x = 259,828.14 × 106,644.25
  4. Step 4: Simplify right side
    188,327.17x = 27,709,177,119.20
  5. Step 5: Solve for x
    x = 27,709,177,119.20/188,327.17
  6. Step 6: Final answer
    x = 147,133.19

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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.