Finding the Fourth Proportional to 136,037.73, 203,848.69 and 57,108.63
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Solution
The fourth proportional to 136,037.73, 203,848.69 and 57,108.63 is: 85,575.67
Step by Step Solution
- Step 1: Write the proportion equation
136,037.73 : 203,848.69 = 57,108.63 : x - Step 2: Convert to fraction form
136,037.73/203,848.69 = 57,108.63/x - Step 3: Cross multiply
136,037.73x = 203,848.69 × 57,108.63 - Step 4: Simplify right side
136,037.73x = 11,641,519,413.19 - Step 5: Solve for x
x = 11,641,519,413.19/136,037.73 - Step 6: Final answer
x = 85,575.67
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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.