Finding the Fourth Proportional to 141,464.20, 195,224.68 and 77,806.08
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Solution
The fourth proportional to 141,464.20, 195,224.68 and 77,806.08 is: 107,374.64
Step by Step Solution
- Step 1: Write the proportion equation
141,464.20 : 195,224.68 = 77,806.08 : x - Step 2: Convert to fraction form
141,464.20/195,224.68 = 77,806.08/x - Step 3: Cross multiply
141,464.20x = 195,224.68 × 77,806.08 - Step 4: Simplify right side
141,464.20x = 15,189,667,070.05 - Step 5: Solve for x
x = 15,189,667,070.05/141,464.20 - Step 6: Final answer
x = 107,374.64
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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.