Finding the Fourth Proportional to 136,036.73, 203,847.20 and 57,107.63
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Solution
The fourth proportional to 136,036.73, 203,847.20 and 57,107.63 is: 85,574.17
Step by Step Solution
- Step 1: Write the proportion equation
136,036.73 : 203,847.20 = 57,107.63 : x - Step 2: Convert to fraction form
136,036.73/203,847.20 = 57,107.63/x - Step 3: Cross multiply
136,036.73x = 203,847.20 × 57,107.63 - Step 4: Simplify right side
136,036.73x = 11,641,230,188.60 - Step 5: Solve for x
x = 11,641,230,188.60/136,036.73 - Step 6: Final answer
x = 85,574.17
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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.