Finding the Fourth Proportional to 116,000.96, 160,073.73 and 68,245.08
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Solution
The fourth proportional to 116,000.96, 160,073.73 and 68,245.08 is: 94,173.75
Step by Step Solution
- Step 1: Write the proportion equation
116,000.96 : 160,073.73 = 68,245.08 : x - Step 2: Convert to fraction form
116,000.96/160,073.73 = 68,245.08/x - Step 3: Cross multiply
116,000.96x = 160,073.73 × 68,245.08 - Step 4: Simplify right side
116,000.96x = 10,924,244,509.75 - Step 5: Solve for x
x = 10,924,244,509.75/116,000.96 - Step 6: Final answer
x = 94,173.75
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1.5x scale
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.