Finding the Fourth Proportional to 133,754.81, 184,583.70 and 80,042.09
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Solution
The fourth proportional to 133,754.81, 184,583.70 and 80,042.09 is: 110,459.32
Step by Step Solution
- Step 1: Write the proportion equation
133,754.81 : 184,583.70 = 80,042.09 : x - Step 2: Convert to fraction form
133,754.81/184,583.70 = 80,042.09/x - Step 3: Cross multiply
133,754.81x = 184,583.70 × 80,042.09 - Step 4: Simplify right side
133,754.81x = 14,774,464,205.01 - Step 5: Solve for x
x = 14,774,464,205.01/133,754.81 - Step 6: Final answer
x = 110,459.32
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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.