Home / 228,922.07-315,906.57-126,945.90

Finding the Fourth Proportional to 228,922.07, 315,906.57 and 126,945.90

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Solution

The fourth proportional to 228,922.07, 315,906.57 and 126,945.90 is: 175,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,922.07 : 315,906.57 = 126,945.90 : x
  2. Step 2: Convert to fraction form
    228,922.07/315,906.57 = 126,945.90/x
  3. Step 3: Cross multiply
    228,922.07x = 315,906.57 × 126,945.90
  4. Step 4: Simplify right side
    228,922.07x = 40,103,043,844.56
  5. Step 5: Solve for x
    x = 40,103,043,844.56/228,922.07
  6. Step 6: Final answer
    x = 175,182.08

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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.