Finding the Fourth Proportional to 102,717.10, 154,075.65 and 93,531.70
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Solution
The fourth proportional to 102,717.10, 154,075.65 and 93,531.70 is: 140,297.55
Step by Step Solution
- Step 1: Write the proportion equation
102,717.10 : 154,075.65 = 93,531.70 : x - Step 2: Convert to fraction form
102,717.10/154,075.65 = 93,531.70/x - Step 3: Cross multiply
102,717.10x = 154,075.65 × 93,531.70 - Step 4: Simplify right side
102,717.10x = 14,410,957,473.11 - Step 5: Solve for x
x = 14,410,957,473.11/102,717.10 - Step 6: Final answer
x = 140,297.55
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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.