Finding the Fourth Proportional to 122,598.87, 169,186.58 and 68,883.86
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Solution
The fourth proportional to 122,598.87, 169,186.58 and 68,883.86 is: 95,059.80
Step by Step Solution
- Step 1: Write the proportion equation
122,598.87 : 169,186.58 = 68,883.86 : x - Step 2: Convert to fraction form
122,598.87/169,186.58 = 68,883.86/x - Step 3: Cross multiply
122,598.87x = 169,186.58 × 68,883.86 - Step 4: Simplify right side
122,598.87x = 11,654,223,500.25 - Step 5: Solve for x
x = 11,654,223,500.25/122,598.87 - Step 6: Final answer
x = 95,059.80
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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.