Finding the Fourth Proportional to 125,524.68, 173,223.86 and 68,936.06
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Solution
The fourth proportional to 125,524.68, 173,223.86 and 68,936.06 is: 95,131.65
Step by Step Solution
- Step 1: Write the proportion equation
125,524.68 : 173,223.86 = 68,936.06 : x - Step 2: Convert to fraction form
125,524.68/173,223.86 = 68,936.06/x - Step 3: Cross multiply
125,524.68x = 173,223.86 × 68,936.06 - Step 4: Simplify right side
125,524.68x = 11,941,370,103.69 - Step 5: Solve for x
x = 11,941,370,103.69/125,524.68 - Step 6: Final answer
x = 95,131.65
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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.