Finding the Fourth Proportional to 147,127.69, 220,538.44 and 68,176.99
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Solution
The fourth proportional to 147,127.69, 220,538.44 and 68,176.99 is: 102,194.54
Step by Step Solution
- Step 1: Write the proportion equation
147,127.69 : 220,538.44 = 68,176.99 : x - Step 2: Convert to fraction form
147,127.69/220,538.44 = 68,176.99/x - Step 3: Cross multiply
147,127.69x = 220,538.44 × 68,176.99 - Step 4: Simplify right side
147,127.69x = 15,035,647,018.50 - Step 5: Solve for x
x = 15,035,647,018.50/147,127.69 - Step 6: Final answer
x = 102,194.54
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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.