Finding the Fourth Proportional to 117,950.23, 161,855.81 and 107,258.23
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Solution
The fourth proportional to 117,950.23, 161,855.81 and 107,258.23 is: 147,183.84
Step by Step Solution
- Step 1: Write the proportion equation
117,950.23 : 161,855.81 = 107,258.23 : x - Step 2: Convert to fraction form
117,950.23/161,855.81 = 107,258.23/x - Step 3: Cross multiply
117,950.23x = 161,855.81 × 107,258.23 - Step 4: Simplify right side
117,950.23x = 17,360,366,955.99 - Step 5: Solve for x
x = 17,360,366,955.99/117,950.23 - Step 6: Final answer
x = 147,183.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.