Finding the Fourth Proportional to 137,673.68, 206,585.78 and 53,437.19
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Solution
The fourth proportional to 137,673.68, 206,585.78 and 53,437.19 is: 80,184.99
Step by Step Solution
- Step 1: Write the proportion equation
137,673.68 : 206,585.78 = 53,437.19 : x - Step 2: Convert to fraction form
137,673.68/206,585.78 = 53,437.19/x - Step 3: Cross multiply
137,673.68x = 206,585.78 × 53,437.19 - Step 4: Simplify right side
137,673.68x = 11,039,362,277.04 - Step 5: Solve for x
x = 11,039,362,277.04/137,673.68 - Step 6: Final answer
x = 80,184.99
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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.