Finding the Fourth Proportional to 170,950.26, 235,920.42 and 102,988.63
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Solution
The fourth proportional to 170,950.26, 235,920.42 and 102,988.63 is: 142,129.76
Step by Step Solution
- Step 1: Write the proportion equation
170,950.26 : 235,920.42 = 102,988.63 : x - Step 2: Convert to fraction form
170,950.26/235,920.42 = 102,988.63/x - Step 3: Cross multiply
170,950.26x = 235,920.42 × 102,988.63 - Step 4: Simplify right side
170,950.26x = 24,297,119,150.28 - Step 5: Solve for x
x = 24,297,119,150.28/170,950.26 - Step 6: Final answer
x = 142,129.76
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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.