Finding the Fourth Proportional to 133,365.48, 183,957.66 and 85,543.08
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Solution
The fourth proportional to 133,365.48, 183,957.66 and 85,543.08 is: 117,993.84
Step by Step Solution
- Step 1: Write the proportion equation
133,365.48 : 183,957.66 = 85,543.08 : x - Step 2: Convert to fraction form
133,365.48/183,957.66 = 85,543.08/x - Step 3: Cross multiply
133,365.48x = 183,957.66 × 85,543.08 - Step 4: Simplify right side
133,365.48x = 15,736,304,825.99 - Step 5: Solve for x
x = 15,736,304,825.99/133,365.48 - Step 6: Final answer
x = 117,993.84
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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.