Finding the Fourth Proportional to 160,866.50, 222,001.70 and 97,191.99
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Solution
The fourth proportional to 160,866.50, 222,001.70 and 97,191.99 is: 134,128.53
Step by Step Solution
- Step 1: Write the proportion equation
160,866.50 : 222,001.70 = 97,191.99 : x - Step 2: Convert to fraction form
160,866.50/222,001.70 = 97,191.99/x - Step 3: Cross multiply
160,866.50x = 222,001.70 × 97,191.99 - Step 4: Simplify right side
160,866.50x = 21,576,786,520.42 - Step 5: Solve for x
x = 21,576,786,520.42/160,866.50 - Step 6: Final answer
x = 134,128.53
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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.