Finding the Fourth Proportional to 141,434.88, 195,181.53 and 77,773.14
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Solution
The fourth proportional to 141,434.88, 195,181.53 and 77,773.14 is: 107,327.70
Step by Step Solution
- Step 1: Write the proportion equation
141,434.88 : 195,181.53 = 77,773.14 : x - Step 2: Convert to fraction form
141,434.88/195,181.53 = 77,773.14/x - Step 3: Cross multiply
141,434.88x = 195,181.53 × 77,773.14 - Step 4: Simplify right side
141,434.88x = 15,179,880,458.10 - Step 5: Solve for x
x = 15,179,880,458.10/141,434.88 - Step 6: Final answer
x = 107,327.70
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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.