Finding the Fourth Proportional to 133,293.06, 183,956.97 and 72,872.63
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Solution
The fourth proportional to 133,293.06, 183,956.97 and 72,872.63 is: 100,571.09
Step by Step Solution
- Step 1: Write the proportion equation
133,293.06 : 183,956.97 = 72,872.63 : x - Step 2: Convert to fraction form
133,293.06/183,956.97 = 72,872.63/x - Step 3: Cross multiply
133,293.06x = 183,956.97 × 72,872.63 - Step 4: Simplify right side
133,293.06x = 13,405,428,254.06 - Step 5: Solve for x
x = 13,405,428,254.06/133,293.06 - Step 6: Final answer
x = 100,571.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.