Finding the Fourth Proportional to 170,708.36, 235,619.72 and 103,696.52
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Solution
The fourth proportional to 170,708.36, 235,619.72 and 103,696.52 is: 143,126.82
Step by Step Solution
- Step 1: Write the proportion equation
170,708.36 : 235,619.72 = 103,696.52 : x - Step 2: Convert to fraction form
170,708.36/235,619.72 = 103,696.52/x - Step 3: Cross multiply
170,708.36x = 235,619.72 × 103,696.52 - Step 4: Simplify right side
170,708.36x = 24,432,945,007.37 - Step 5: Solve for x
x = 24,432,945,007.37/170,708.36 - Step 6: Final answer
x = 143,126.82
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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.