Finding the Fourth Proportional to 124,930.20, 187,176.60 and 102,622.80
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Solution
The fourth proportional to 124,930.20, 187,176.60 and 102,622.80 is: 153,754.55
Step by Step Solution
- Step 1: Write the proportion equation
124,930.20 : 187,176.60 = 102,622.80 : x - Step 2: Convert to fraction form
124,930.20/187,176.60 = 102,622.80/x - Step 3: Cross multiply
124,930.20x = 187,176.60 × 102,622.80 - Step 4: Simplify right side
124,930.20x = 19,208,586,786.48 - Step 5: Solve for x
x = 19,208,586,786.48/124,930.20 - Step 6: Final answer
x = 153,754.55
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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.