Finding the Fourth Proportional to 141,452.96, 195,201.19 and 77,790.75
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Solution
The fourth proportional to 141,452.96, 195,201.19 and 77,790.75 is: 107,349.09
Step by Step Solution
- Step 1: Write the proportion equation
141,452.96 : 195,201.19 = 77,790.75 : x - Step 2: Convert to fraction form
141,452.96/195,201.19 = 77,790.75/x - Step 3: Cross multiply
141,452.96x = 195,201.19 × 77,790.75 - Step 4: Simplify right side
141,452.96x = 15,184,846,970.99 - Step 5: Solve for x
x = 15,184,846,970.99/141,452.96 - Step 6: Final answer
x = 107,349.09
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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.