Finding the Fourth Proportional to 113,013.29, 169,519.93 and 88,072.00
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Solution
The fourth proportional to 113,013.29, 169,519.93 and 88,072.00 is: 132,107.99
Step by Step Solution
- Step 1: Write the proportion equation
113,013.29 : 169,519.93 = 88,072.00 : x - Step 2: Convert to fraction form
113,013.29/169,519.93 = 88,072.00/x - Step 3: Cross multiply
113,013.29x = 169,519.93 × 88,072.00 - Step 4: Simplify right side
113,013.29x = 14,929,958,826.07 - Step 5: Solve for x
x = 14,929,958,826.07/113,013.29 - Step 6: Final answer
x = 132,107.99
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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.