Finding the Fourth Proportional to 160,000.68, 240,151.68 and 81,171.48
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Solution
The fourth proportional to 160,000.68, 240,151.68 and 81,171.48 is: 121,833.65
Step by Step Solution
- Step 1: Write the proportion equation
160,000.68 : 240,151.68 = 81,171.48 : x - Step 2: Convert to fraction form
160,000.68/240,151.68 = 81,171.48/x - Step 3: Cross multiply
160,000.68x = 240,151.68 × 81,171.48 - Step 4: Simplify right side
160,000.68x = 19,493,467,290.09 - Step 5: Solve for x
x = 19,493,467,290.09/160,000.68 - Step 6: Final answer
x = 121,833.65
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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.