Finding the Fourth Proportional to 156,118.96, 215,446.08 and 94,847.68
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Solution
The fourth proportional to 156,118.96, 215,446.08 and 94,847.68 is: 130,890.96
Step by Step Solution
- Step 1: Write the proportion equation
156,118.96 : 215,446.08 = 94,847.68 : x - Step 2: Convert to fraction form
156,118.96/215,446.08 = 94,847.68/x - Step 3: Cross multiply
156,118.96x = 215,446.08 × 94,847.68 - Step 4: Simplify right side
156,118.96x = 20,434,560,853.09 - Step 5: Solve for x
x = 20,434,560,853.09/156,118.96 - Step 6: Final answer
x = 130,890.96
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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.