Finding the Fourth Proportional to 156,960.13, 235,434.93 and 68,213.62
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Solution
The fourth proportional to 156,960.13, 235,434.93 and 68,213.62 is: 102,318.14
Step by Step Solution
- Step 1: Write the proportion equation
156,960.13 : 235,434.93 = 68,213.62 : x - Step 2: Convert to fraction form
156,960.13/235,434.93 = 68,213.62/x - Step 3: Cross multiply
156,960.13x = 235,434.93 × 68,213.62 - Step 4: Simplify right side
156,960.13x = 16,059,868,849.75 - Step 5: Solve for x
x = 16,059,868,849.75/156,960.13 - Step 6: Final answer
x = 102,318.14
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1.5x scale
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.