Home / 236,945.09-355,435.99-79,174.10

Finding the Fourth Proportional to 236,945.09, 355,435.99 and 79,174.10

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Solution

The fourth proportional to 236,945.09, 355,435.99 and 79,174.10 is: 118,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,945.09 : 355,435.99 = 79,174.10 : x
  2. Step 2: Convert to fraction form
    236,945.09/355,435.99 = 79,174.10/x
  3. Step 3: Cross multiply
    236,945.09x = 355,435.99 × 79,174.10
  4. Step 4: Simplify right side
    236,945.09x = 28,141,324,615.86
  5. Step 5: Solve for x
    x = 28,141,324,615.86/236,945.09
  6. Step 6: Final answer
    x = 118,767.28

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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.