Home / 218,661.22-327,991.83-125,101.36

Finding the Fourth Proportional to 218,661.22, 327,991.83 and 125,101.36

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Solution

The fourth proportional to 218,661.22, 327,991.83 and 125,101.36 is: 187,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,661.22 : 327,991.83 = 125,101.36 : x
  2. Step 2: Convert to fraction form
    218,661.22/327,991.83 = 125,101.36/x
  3. Step 3: Cross multiply
    218,661.22x = 327,991.83 × 125,101.36
  4. Step 4: Simplify right side
    218,661.22x = 41,032,224,881.01
  5. Step 5: Solve for x
    x = 41,032,224,881.01/218,661.22
  6. Step 6: Final answer
    x = 187,652.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.