Finding the Fourth Proportional to 91,188.68, 136,790.91 and 24,628.55
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Solution
The fourth proportional to 91,188.68, 136,790.91 and 24,628.55 is: 36,944.95
Step by Step Solution
- Step 1: Write the proportion equation
91,188.68 : 136,790.91 = 24,628.55 : x - Step 2: Convert to fraction form
91,188.68/136,790.91 = 24,628.55/x - Step 3: Cross multiply
91,188.68x = 136,790.91 × 24,628.55 - Step 4: Simplify right side
91,188.68x = 3,368,961,082.53 - Step 5: Solve for x
x = 3,368,961,082.53/91,188.68 - Step 6: Final answer
x = 36,944.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.