Finding the Fourth Proportional to 125,428.36, 173,092.53 and 68,838.52
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Solution
The fourth proportional to 125,428.36, 173,092.53 and 68,838.52 is: 94,997.92
Step by Step Solution
- Step 1: Write the proportion equation
125,428.36 : 173,092.53 = 68,838.52 : x - Step 2: Convert to fraction form
125,428.36/173,092.53 = 68,838.52/x - Step 3: Cross multiply
125,428.36x = 173,092.53 × 68,838.52 - Step 4: Simplify right side
125,428.36x = 11,915,433,588.26 - Step 5: Solve for x
x = 11,915,433,588.26/125,428.36 - Step 6: Final answer
x = 94,997.92
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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.