Finding the Fourth Proportional to 117,119.98, 175,616.79 and 60,821.20
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Solution
The fourth proportional to 117,119.98, 175,616.79 and 60,821.20 is: 91,198.99
Step by Step Solution
- Step 1: Write the proportion equation
117,119.98 : 175,616.79 = 60,821.20 : x - Step 2: Convert to fraction form
117,119.98/175,616.79 = 60,821.20/x - Step 3: Cross multiply
117,119.98x = 175,616.79 × 60,821.20 - Step 4: Simplify right side
117,119.98x = 10,681,223,907.95 - Step 5: Solve for x
x = 10,681,223,907.95/117,119.98 - Step 6: Final answer
x = 91,198.99
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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.