Finding the Fourth Proportional to 133,917.36, 184,807.36 and 73,491.92
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Solution
The fourth proportional to 133,917.36, 184,807.36 and 73,491.92 is: 101,419.62
Step by Step Solution
- Step 1: Write the proportion equation
133,917.36 : 184,807.36 = 73,491.92 : x - Step 2: Convert to fraction form
133,917.36/184,807.36 = 73,491.92/x - Step 3: Cross multiply
133,917.36x = 184,807.36 × 73,491.92 - Step 4: Simplify right side
133,917.36x = 13,581,847,716.53 - Step 5: Solve for x
x = 13,581,847,716.53/133,917.36 - Step 6: Final answer
x = 101,419.62
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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.