Finding the Fourth Proportional to 136,755.54, 205,107.26 and 57,925.13
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Solution
The fourth proportional to 136,755.54, 205,107.26 and 57,925.13 is: 86,876.65
Step by Step Solution
- Step 1: Write the proportion equation
136,755.54 : 205,107.26 = 57,925.13 : x - Step 2: Convert to fraction form
136,755.54/205,107.26 = 57,925.13/x - Step 3: Cross multiply
136,755.54x = 205,107.26 × 57,925.13 - Step 4: Simplify right side
136,755.54x = 11,880,863,384.28 - Step 5: Solve for x
x = 11,880,863,384.28/136,755.54 - Step 6: Final answer
x = 86,876.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.