Finding the Fourth Proportional to 136,220.94, 187,884.36 and 93,793.14
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Solution
The fourth proportional to 136,220.94, 187,884.36 and 93,793.14 is: 129,365.31
Step by Step Solution
- Step 1: Write the proportion equation
136,220.94 : 187,884.36 = 93,793.14 : x - Step 2: Convert to fraction form
136,220.94/187,884.36 = 93,793.14/x - Step 3: Cross multiply
136,220.94x = 187,884.36 × 93,793.14 - Step 4: Simplify right side
136,220.94x = 17,622,264,081.29 - Step 5: Solve for x
x = 17,622,264,081.29/136,220.94 - Step 6: Final answer
x = 129,365.31
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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.