Finding the Fourth Proportional to 107,855.62, 161,798.01 and 101,294.62
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Solution
The fourth proportional to 107,855.62, 161,798.01 and 101,294.62 is: 151,955.62
Step by Step Solution
- Step 1: Write the proportion equation
107,855.62 : 161,798.01 = 101,294.62 : x - Step 2: Convert to fraction form
107,855.62/161,798.01 = 101,294.62/x - Step 3: Cross multiply
107,855.62x = 161,798.01 × 101,294.62 - Step 4: Simplify right side
107,855.62x = 16,389,267,939.71 - Step 5: Solve for x
x = 16,389,267,939.71/107,855.62 - Step 6: Final answer
x = 151,955.62
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1.5x scale
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.