Home / 193,388.72-266,881.03-108,512.06

Finding the Fourth Proportional to 193,388.72, 266,881.03 and 108,512.06

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Solution

The fourth proportional to 193,388.72, 266,881.03 and 108,512.06 is: 149,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,388.72 : 266,881.03 = 108,512.06 : x
  2. Step 2: Convert to fraction form
    193,388.72/266,881.03 = 108,512.06/x
  3. Step 3: Cross multiply
    193,388.72x = 266,881.03 × 108,512.06
  4. Step 4: Simplify right side
    193,388.72x = 28,959,808,734.54
  5. Step 5: Solve for x
    x = 28,959,808,734.54/193,388.72
  6. Step 6: Final answer
    x = 149,749.22

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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.