Finding the Fourth Proportional to 133,917.10, 184,813.79 and 88,516.36
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Solution
The fourth proportional to 133,917.10, 184,813.79 and 88,516.36 is: 122,157.99
Step by Step Solution
- Step 1: Write the proportion equation
133,917.10 : 184,813.79 = 88,516.36 : x - Step 2: Convert to fraction form
133,917.10/184,813.79 = 88,516.36/x - Step 3: Cross multiply
133,917.10x = 184,813.79 × 88,516.36 - Step 4: Simplify right side
133,917.10x = 16,359,043,757.04 - Step 5: Solve for x
x = 16,359,043,757.04/133,917.10 - Step 6: Final answer
x = 122,157.99
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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.