Finding the Fourth Proportional to 121,858.26, 168,180.03 and 68,146.26
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Solution
The fourth proportional to 121,858.26, 168,180.03 and 68,146.26 is: 94,050.58
Step by Step Solution
- Step 1: Write the proportion equation
121,858.26 : 168,180.03 = 68,146.26 : x - Step 2: Convert to fraction form
121,858.26/168,180.03 = 68,146.26/x - Step 3: Cross multiply
121,858.26x = 168,180.03 × 68,146.26 - Step 4: Simplify right side
121,858.26x = 11,460,840,051.19 - Step 5: Solve for x
x = 11,460,840,051.19/121,858.26 - Step 6: Final answer
x = 94,050.58
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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.