Finding the Fourth Proportional to 141,355.91, 195,072.68 and 76,825.14
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Solution
The fourth proportional to 141,355.91, 195,072.68 and 76,825.14 is: 106,019.52
Step by Step Solution
- Step 1: Write the proportion equation
141,355.91 : 195,072.68 = 76,825.14 : x - Step 2: Convert to fraction form
141,355.91/195,072.68 = 76,825.14/x - Step 3: Cross multiply
141,355.91x = 195,072.68 × 76,825.14 - Step 4: Simplify right side
141,355.91x = 14,986,485,567.05 - Step 5: Solve for x
x = 14,986,485,567.05/141,355.91 - Step 6: Final answer
x = 106,019.52
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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.