Finding the Fourth Proportional to 186,130.20, 278,841.31 and 106,223.70
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Solution
The fourth proportional to 186,130.20, 278,841.31 and 106,223.70 is: 159,133.53
Step by Step Solution
- Step 1: Write the proportion equation
186,130.20 : 278,841.31 = 106,223.70 : x - Step 2: Convert to fraction form
186,130.20/278,841.31 = 106,223.70/x - Step 3: Cross multiply
186,130.20x = 278,841.31 × 106,223.70 - Step 4: Simplify right side
186,130.20x = 29,619,555,661.05 - Step 5: Solve for x
x = 29,619,555,661.05/186,130.20 - Step 6: Final answer
x = 159,133.53
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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.