Finding the Fourth Proportional to 124,110.96, 186,036.84 and 53,971.44
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Solution
The fourth proportional to 124,110.96, 186,036.84 and 53,971.44 is: 80,900.80
Step by Step Solution
- Step 1: Write the proportion equation
124,110.96 : 186,036.84 = 53,971.44 : x - Step 2: Convert to fraction form
124,110.96/186,036.84 = 53,971.44/x - Step 3: Cross multiply
124,110.96x = 186,036.84 × 53,971.44 - Step 4: Simplify right side
124,110.96x = 10,040,676,147.85 - Step 5: Solve for x
x = 10,040,676,147.85/124,110.96 - Step 6: Final answer
x = 80,900.80
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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.