Finding the Fourth Proportional to 125,936.27, 173,791.78 and 68,574.70
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Solution
The fourth proportional to 125,936.27, 173,791.78 and 68,574.70 is: 94,632.94
Step by Step Solution
- Step 1: Write the proportion equation
125,936.27 : 173,791.78 = 68,574.70 : x - Step 2: Convert to fraction form
125,936.27/173,791.78 = 68,574.70/x - Step 3: Cross multiply
125,936.27x = 173,791.78 × 68,574.70 - Step 4: Simplify right side
125,936.27x = 11,917,719,221.77 - Step 5: Solve for x
x = 11,917,719,221.77/125,936.27 - Step 6: Final answer
x = 94,632.94
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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.