Finding the Fourth Proportional to 137,957.24, 206,804.62 and 87,896.80
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Solution
The fourth proportional to 137,957.24, 206,804.62 and 87,896.80 is: 131,761.58
Step by Step Solution
- Step 1: Write the proportion equation
137,957.24 : 206,804.62 = 87,896.80 : x - Step 2: Convert to fraction form
137,957.24/206,804.62 = 87,896.80/x - Step 3: Cross multiply
137,957.24x = 206,804.62 × 87,896.80 - Step 4: Simplify right side
137,957.24x = 18,177,464,323.22 - Step 5: Solve for x
x = 18,177,464,323.22/137,957.24 - Step 6: Final answer
x = 131,761.58
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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.