Finding the Fourth Proportional to 133,847.42, 184,724.87 and 80,132.40
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Solution
The fourth proportional to 133,847.42, 184,724.87 and 80,132.40 is: 110,591.95
Step by Step Solution
- Step 1: Write the proportion equation
133,847.42 : 184,724.87 = 80,132.40 : x - Step 2: Convert to fraction form
133,847.42/184,724.87 = 80,132.40/x - Step 3: Cross multiply
133,847.42x = 184,724.87 × 80,132.40 - Step 4: Simplify right side
133,847.42x = 14,802,446,772.13 - Step 5: Solve for x
x = 14,802,446,772.13/133,847.42 - Step 6: Final answer
x = 110,591.95
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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.