Finding the Fourth Proportional to 115,882.08, 173,823.12 and 53,544.48
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Solution
The fourth proportional to 115,882.08, 173,823.12 and 53,544.48 is: 80,316.72
Step by Step Solution
- Step 1: Write the proportion equation
115,882.08 : 173,823.12 = 53,544.48 : x - Step 2: Convert to fraction form
115,882.08/173,823.12 = 53,544.48/x - Step 3: Cross multiply
115,882.08x = 173,823.12 × 53,544.48 - Step 4: Simplify right side
115,882.08x = 9,307,268,572.38 - Step 5: Solve for x
x = 9,307,268,572.38/115,882.08 - Step 6: Final answer
x = 80,316.72
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Similar ratio
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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.