Finding the Fourth Proportional to 158,087.68, 218,168.99 and 93,593.95
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Solution
The fourth proportional to 158,087.68, 218,168.99 and 93,593.95 is: 129,164.38
Step by Step Solution
- Step 1: Write the proportion equation
158,087.68 : 218,168.99 = 93,593.95 : x - Step 2: Convert to fraction form
158,087.68/218,168.99 = 93,593.95/x - Step 3: Cross multiply
158,087.68x = 218,168.99 × 93,593.95 - Step 4: Simplify right side
158,087.68x = 20,419,297,541.61 - Step 5: Solve for x
x = 20,419,297,541.61/158,087.68 - Step 6: Final answer
x = 129,164.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.