Finding the Fourth Proportional to 125,629.07, 173,369.20 and 68,268.38
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Solution
The fourth proportional to 125,629.07, 173,369.20 and 68,268.38 is: 94,210.95
Step by Step Solution
- Step 1: Write the proportion equation
125,629.07 : 173,369.20 = 68,268.38 : x - Step 2: Convert to fraction form
125,629.07/173,369.20 = 68,268.38/x - Step 3: Cross multiply
125,629.07x = 173,369.20 × 68,268.38 - Step 4: Simplify right side
125,629.07x = 11,835,634,425.90 - Step 5: Solve for x
x = 11,835,634,425.90/125,629.07 - Step 6: Final answer
x = 94,210.95
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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.