Finding the Fourth Proportional to 127,954.84, 191,850.12 and 53,126.63
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Solution
The fourth proportional to 127,954.84, 191,850.12 and 53,126.63 is: 79,655.84
Step by Step Solution
- Step 1: Write the proportion equation
127,954.84 : 191,850.12 = 53,126.63 : x - Step 2: Convert to fraction form
127,954.84/191,850.12 = 53,126.63/x - Step 3: Cross multiply
127,954.84x = 191,850.12 × 53,126.63 - Step 4: Simplify right side
127,954.84x = 10,192,350,340.70 - Step 5: Solve for x
x = 10,192,350,340.70/127,954.84 - Step 6: Final answer
x = 79,655.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.