Finding the Fourth Proportional to 170,948.22, 235,916.70 and 102,986.29
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Solution
The fourth proportional to 170,948.22, 235,916.70 and 102,986.29 is: 142,125.99
Step by Step Solution
- Step 1: Write the proportion equation
170,948.22 : 235,916.70 = 102,986.29 : x - Step 2: Convert to fraction form
170,948.22/235,916.70 = 102,986.29/x - Step 3: Cross multiply
170,948.22x = 235,916.70 × 102,986.29 - Step 4: Simplify right side
170,948.22x = 24,296,184,843.01 - Step 5: Solve for x
x = 24,296,184,843.01/170,948.22 - Step 6: Final answer
x = 142,125.99
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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.