Finding the Fourth Proportional to 168,931.08, 252,891.78 and 102,169.26
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Solution
The fourth proportional to 168,931.08, 252,891.78 and 102,169.26 is: 152,948.56
Step by Step Solution
- Step 1: Write the proportion equation
168,931.08 : 252,891.78 = 102,169.26 : x - Step 2: Convert to fraction form
168,931.08/252,891.78 = 102,169.26/x - Step 3: Cross multiply
168,931.08x = 252,891.78 × 102,169.26 - Step 4: Simplify right side
168,931.08x = 25,837,766,022.68 - Step 5: Solve for x
x = 25,837,766,022.68/168,931.08 - Step 6: Final answer
x = 152,948.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.