Finding the Fourth Proportional to 102,748.65, 154,135.41 and 36,175.14
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Solution
The fourth proportional to 102,748.65, 154,135.41 and 36,175.14 is: 54,267.09
Step by Step Solution
- Step 1: Write the proportion equation
102,748.65 : 154,135.41 = 36,175.14 : x - Step 2: Convert to fraction form
102,748.65/154,135.41 = 36,175.14/x - Step 3: Cross multiply
102,748.65x = 154,135.41 × 36,175.14 - Step 4: Simplify right side
102,748.65x = 5,575,870,035.71 - Step 5: Solve for x
x = 5,575,870,035.71/102,748.65 - Step 6: Final answer
x = 54,267.09
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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.