Finding the Fourth Proportional to 130,861.44, 196,292.94 and 124,486.68
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Solution
The fourth proportional to 130,861.44, 196,292.94 and 124,486.68 is: 186,730.76
Step by Step Solution
- Step 1: Write the proportion equation
130,861.44 : 196,292.94 = 124,486.68 : x - Step 2: Convert to fraction form
130,861.44/196,292.94 = 124,486.68/x - Step 3: Cross multiply
130,861.44x = 196,292.94 × 124,486.68 - Step 4: Simplify right side
130,861.44x = 24,435,856,408.04 - Step 5: Solve for x
x = 24,435,856,408.04/130,861.44 - Step 6: Final answer
x = 186,730.76
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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.