Finding the Fourth Proportional to 147,126.69, 220,536.95 and 68,175.99
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Solution
The fourth proportional to 147,126.69, 220,536.95 and 68,175.99 is: 102,193.05
Step by Step Solution
- Step 1: Write the proportion equation
147,126.69 : 220,536.95 = 68,175.99 : x - Step 2: Convert to fraction form
147,126.69/220,536.95 = 68,175.99/x - Step 3: Cross multiply
147,126.69x = 220,536.95 × 68,175.99 - Step 4: Simplify right side
147,126.69x = 15,035,324,556.95 - Step 5: Solve for x
x = 15,035,324,556.95/147,126.69 - Step 6: Final answer
x = 102,193.05
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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.