Finding the Fourth Proportional to 125,837.96, 173,660.49 and 72,133.13
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Solution
The fourth proportional to 125,837.96, 173,660.49 and 72,133.13 is: 99,546.08
Step by Step Solution
- Step 1: Write the proportion equation
125,837.96 : 173,660.49 = 72,133.13 : x - Step 2: Convert to fraction form
125,837.96/173,660.49 = 72,133.13/x - Step 3: Cross multiply
125,837.96x = 173,660.49 × 72,133.13 - Step 4: Simplify right side
125,837.96x = 12,526,675,135.18 - Step 5: Solve for x
x = 12,526,675,135.18/125,837.96 - Step 6: Final answer
x = 99,546.08
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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.