Finding the Fourth Proportional to 141,466.13, 195,224.89 and 77,804.99
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Solution
The fourth proportional to 141,466.13, 195,224.89 and 77,804.99 is: 107,371.78
Step by Step Solution
- Step 1: Write the proportion equation
141,466.13 : 195,224.89 = 77,804.99 : x - Step 2: Convert to fraction form
141,466.13/195,224.89 = 77,804.99/x - Step 3: Cross multiply
141,466.13x = 195,224.89 × 77,804.99 - Step 4: Simplify right side
141,466.13x = 15,189,470,614.20 - Step 5: Solve for x
x = 15,189,470,614.20/141,466.13 - Step 6: Final answer
x = 107,371.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.