Finding the Fourth Proportional to 136,044.54, 204,135.93 and 61,149.60
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Solution
The fourth proportional to 136,044.54, 204,135.93 and 61,149.60 is: 91,755.47
Step by Step Solution
- Step 1: Write the proportion equation
136,044.54 : 204,135.93 = 61,149.60 : x - Step 2: Convert to fraction form
136,044.54/204,135.93 = 61,149.60/x - Step 3: Cross multiply
136,044.54x = 204,135.93 × 61,149.60 - Step 4: Simplify right side
136,044.54x = 12,482,830,465.13 - Step 5: Solve for x
x = 12,482,830,465.13/136,044.54 - Step 6: Final answer
x = 91,755.47
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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.