Finding the Fourth Proportional to 156,064.24, 215,367.96 and 84,445.53
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Solution
The fourth proportional to 156,064.24, 215,367.96 and 84,445.53 is: 116,534.46
Step by Step Solution
- Step 1: Write the proportion equation
156,064.24 : 215,367.96 = 84,445.53 : x - Step 2: Convert to fraction form
156,064.24/215,367.96 = 84,445.53/x - Step 3: Cross multiply
156,064.24x = 215,367.96 × 84,445.53 - Step 4: Simplify right side
156,064.24x = 18,186,861,527.22 - Step 5: Solve for x
x = 18,186,861,527.22/156,064.24 - Step 6: Final answer
x = 116,534.46
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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.