Finding the Fourth Proportional to 107,564.24, 161,325.09 and 102,229.98
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Solution
The fourth proportional to 107,564.24, 161,325.09 and 102,229.98 is: 153,324.75
Step by Step Solution
- Step 1: Write the proportion equation
107,564.24 : 161,325.09 = 102,229.98 : x - Step 2: Convert to fraction form
107,564.24/161,325.09 = 102,229.98/x - Step 3: Cross multiply
107,564.24x = 161,325.09 × 102,229.98 - Step 4: Simplify right side
107,564.24x = 16,492,260,724.20 - Step 5: Solve for x
x = 16,492,260,724.20/107,564.24 - Step 6: Final answer
x = 153,324.75
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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.