Finding the Fourth Proportional to 105,176.94, 157,765.82 and 26,291.26
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Solution
The fourth proportional to 105,176.94, 157,765.82 and 26,291.26 is: 39,436.99
Step by Step Solution
- Step 1: Write the proportion equation
105,176.94 : 157,765.82 = 26,291.26 : x - Step 2: Convert to fraction form
105,176.94/157,765.82 = 26,291.26/x - Step 3: Cross multiply
105,176.94x = 157,765.82 × 26,291.26 - Step 4: Simplify right side
105,176.94x = 4,147,862,192.73 - Step 5: Solve for x
x = 4,147,862,192.73/105,176.94 - Step 6: Final answer
x = 39,436.99
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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.