Finding the Fourth Proportional to 127,664.68, 191,529.42 and 48,770.68
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Solution
The fourth proportional to 127,664.68, 191,529.42 and 48,770.68 is: 73,168.40
Step by Step Solution
- Step 1: Write the proportion equation
127,664.68 : 191,529.42 = 48,770.68 : x - Step 2: Convert to fraction form
127,664.68/191,529.42 = 48,770.68/x - Step 3: Cross multiply
127,664.68x = 191,529.42 × 48,770.68 - Step 4: Simplify right side
127,664.68x = 9,341,020,053.41 - Step 5: Solve for x
x = 9,341,020,053.41/127,664.68 - Step 6: Final answer
x = 73,168.40
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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.