Finding the Fourth Proportional to 125,132.36, 172,682.73 and 68,544.68
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Solution
The fourth proportional to 125,132.36, 172,682.73 and 68,544.68 is: 94,591.70
Step by Step Solution
- Step 1: Write the proportion equation
125,132.36 : 172,682.73 = 68,544.68 : x - Step 2: Convert to fraction form
125,132.36/172,682.73 = 68,544.68/x - Step 3: Cross multiply
125,132.36x = 172,682.73 × 68,544.68 - Step 4: Simplify right side
125,132.36x = 11,836,482,469.38 - Step 5: Solve for x
x = 11,836,482,469.38/125,132.36 - Step 6: Final answer
x = 94,591.70
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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.