Finding the Fourth Proportional to 133,626.14, 184,396.20 and 73,184.75
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Solution
The fourth proportional to 133,626.14, 184,396.20 and 73,184.75 is: 100,990.64
Step by Step Solution
- Step 1: Write the proportion equation
133,626.14 : 184,396.20 = 73,184.75 : x - Step 2: Convert to fraction form
133,626.14/184,396.20 = 73,184.75/x - Step 3: Cross multiply
133,626.14x = 184,396.20 × 73,184.75 - Step 4: Simplify right side
133,626.14x = 13,494,989,797.95 - Step 5: Solve for x
x = 13,494,989,797.95/133,626.14 - Step 6: Final answer
x = 100,990.64
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1.5x scale
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.