Finding the Fourth Proportional to 133,995.75, 185,069.66 and 89,205.99
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Solution
The fourth proportional to 133,995.75, 185,069.66 and 89,205.99 is: 123,207.80
Step by Step Solution
- Step 1: Write the proportion equation
133,995.75 : 185,069.66 = 89,205.99 : x - Step 2: Convert to fraction form
133,995.75/185,069.66 = 89,205.99/x - Step 3: Cross multiply
133,995.75x = 185,069.66 × 89,205.99 - Step 4: Simplify right side
133,995.75x = 16,509,321,793.23 - Step 5: Solve for x
x = 16,509,321,793.23/133,995.75 - Step 6: Final answer
x = 123,207.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.