Home / 172,945.62-238,775.97-108,503.16

Finding the Fourth Proportional to 172,945.62, 238,775.97 and 108,503.16

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Solution

The fourth proportional to 172,945.62, 238,775.97 and 108,503.16 is: 149,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,945.62 : 238,775.97 = 108,503.16 : x
  2. Step 2: Convert to fraction form
    172,945.62/238,775.97 = 108,503.16/x
  3. Step 3: Cross multiply
    172,945.62x = 238,775.97 × 108,503.16
  4. Step 4: Simplify right side
    172,945.62x = 25,907,947,277.07
  5. Step 5: Solve for x
    x = 25,907,947,277.07/172,945.62
  6. Step 6: Final answer
    x = 149,804.01

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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.