Finding the Fourth Proportional to 106,163.73, 159,267.47 and 88,755.21
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Solution
The fourth proportional to 106,163.73, 159,267.47 and 88,755.21 is: 133,151.10
Step by Step Solution
- Step 1: Write the proportion equation
106,163.73 : 159,267.47 = 88,755.21 : x - Step 2: Convert to fraction form
106,163.73/159,267.47 = 88,755.21/x - Step 3: Cross multiply
106,163.73x = 159,267.47 × 88,755.21 - Step 4: Simplify right side
106,163.73x = 14,135,817,302.24 - Step 5: Solve for x
x = 14,135,817,302.24/106,163.73 - Step 6: Final answer
x = 133,151.10
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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.