Finding the Fourth Proportional to 170,708.49, 235,672.07 and 102,742.14
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Solution
The fourth proportional to 170,708.49, 235,672.07 and 102,742.14 is: 141,840.94
Step by Step Solution
- Step 1: Write the proportion equation
170,708.49 : 235,672.07 = 102,742.14 : x - Step 2: Convert to fraction form
170,708.49/235,672.07 = 102,742.14/x - Step 3: Cross multiply
170,708.49x = 235,672.07 × 102,742.14 - Step 4: Simplify right side
170,708.49x = 24,213,452,810.03 - Step 5: Solve for x
x = 24,213,452,810.03/170,708.49 - Step 6: Final answer
x = 141,840.94
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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.