Finding the Fourth Proportional to 133,845.87, 184,705.84 and 73,416.29
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Solution
The fourth proportional to 133,845.87, 184,705.84 and 73,416.29 is: 101,313.68
Step by Step Solution
- Step 1: Write the proportion equation
133,845.87 : 184,705.84 = 73,416.29 : x - Step 2: Convert to fraction form
133,845.87/184,705.84 = 73,416.29/x - Step 3: Cross multiply
133,845.87x = 184,705.84 × 73,416.29 - Step 4: Simplify right side
133,845.87x = 13,560,417,147.05 - Step 5: Solve for x
x = 13,560,417,147.05/133,845.87 - Step 6: Final answer
x = 101,313.68
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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.