Finding the Fourth Proportional to 170,641.40, 235,472.16 and 94,163.54
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Solution
The fourth proportional to 170,641.40, 235,472.16 and 94,163.54 is: 129,938.53
Step by Step Solution
- Step 1: Write the proportion equation
170,641.40 : 235,472.16 = 94,163.54 : x - Step 2: Convert to fraction form
170,641.40/235,472.16 = 94,163.54/x - Step 3: Cross multiply
170,641.40x = 235,472.16 × 94,163.54 - Step 4: Simplify right side
170,641.40x = 22,172,892,157.05 - Step 5: Solve for x
x = 22,172,892,157.05/170,641.40 - Step 6: Final answer
x = 129,938.53
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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.