Finding the Fourth Proportional to 119,011.18, 178,517.39 and 40,126.09
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Solution
The fourth proportional to 119,011.18, 178,517.39 and 40,126.09 is: 60,189.34
Step by Step Solution
- Step 1: Write the proportion equation
119,011.18 : 178,517.39 = 40,126.09 : x - Step 2: Convert to fraction form
119,011.18/178,517.39 = 40,126.09/x - Step 3: Cross multiply
119,011.18x = 178,517.39 × 40,126.09 - Step 4: Simplify right side
119,011.18x = 7,163,204,657.07 - Step 5: Solve for x
x = 7,163,204,657.07/119,011.18 - Step 6: Final answer
x = 60,189.34
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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.