Finding the Fourth Proportional to 125,825.66, 173,573.23 and 74,802.09
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Solution
The fourth proportional to 125,825.66, 173,573.23 and 74,802.09 is: 103,187.54
Step by Step Solution
- Step 1: Write the proportion equation
125,825.66 : 173,573.23 = 74,802.09 : x - Step 2: Convert to fraction form
125,825.66/173,573.23 = 74,802.09/x - Step 3: Cross multiply
125,825.66x = 173,573.23 × 74,802.09 - Step 4: Simplify right side
125,825.66x = 12,983,640,185.05 - Step 5: Solve for x
x = 12,983,640,185.05/125,825.66 - Step 6: Final answer
x = 103,187.54
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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.