Finding the Fourth Proportional to 102,087.36, 153,138.33 and 27,207.11
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Solution
The fourth proportional to 102,087.36, 153,138.33 and 27,207.11 is: 40,812.61
Step by Step Solution
- Step 1: Write the proportion equation
102,087.36 : 153,138.33 = 27,207.11 : x - Step 2: Convert to fraction form
102,087.36/153,138.33 = 27,207.11/x - Step 3: Cross multiply
102,087.36x = 153,138.33 × 27,207.11 - Step 4: Simplify right side
102,087.36x = 4,166,451,389.53 - Step 5: Solve for x
x = 4,166,451,389.53/102,087.36 - Step 6: Final answer
x = 40,812.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.