Finding the Fourth Proportional to 136,876.28, 205,379.40 and 94,821.08
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Solution
The fourth proportional to 136,876.28, 205,379.40 and 94,821.08 is: 142,276.63
Step by Step Solution
- Step 1: Write the proportion equation
136,876.28 : 205,379.40 = 94,821.08 : x - Step 2: Convert to fraction form
136,876.28/205,379.40 = 94,821.08/x - Step 3: Cross multiply
136,876.28x = 205,379.40 × 94,821.08 - Step 4: Simplify right side
136,876.28x = 19,474,296,517.75 - Step 5: Solve for x
x = 19,474,296,517.75/136,876.28 - Step 6: Final answer
x = 142,276.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.