Finding the Fourth Proportional to 133,269.93, 183,912.08 and 72,840.53
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Solution
The fourth proportional to 133,269.93, 183,912.08 and 72,840.53 is: 100,519.70
Step by Step Solution
- Step 1: Write the proportion equation
133,269.93 : 183,912.08 = 72,840.53 : x - Step 2: Convert to fraction form
133,269.93/183,912.08 = 72,840.53/x - Step 3: Cross multiply
133,269.93x = 183,912.08 × 72,840.53 - Step 4: Simplify right side
133,269.93x = 13,396,253,476.18 - Step 5: Solve for x
x = 13,396,253,476.18/133,269.93 - Step 6: Final answer
x = 100,519.70
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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.