Finding the Fourth Proportional to 137,790.36, 206,605.09 and 53,451.97
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Solution
The fourth proportional to 137,790.36, 206,605.09 and 53,451.97 is: 80,146.75
Step by Step Solution
- Step 1: Write the proportion equation
137,790.36 : 206,605.09 = 53,451.97 : x - Step 2: Convert to fraction form
137,790.36/206,605.09 = 53,451.97/x - Step 3: Cross multiply
137,790.36x = 206,605.09 × 53,451.97 - Step 4: Simplify right side
137,790.36x = 11,043,449,206.16 - Step 5: Solve for x
x = 11,043,449,206.16/137,790.36 - Step 6: Final answer
x = 80,146.75
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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.