Finding the Fourth Proportional to 122,180.40, 168,748.92 and 97,336.08
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Solution
The fourth proportional to 122,180.40, 168,748.92 and 97,336.08 is: 134,435.30
Step by Step Solution
- Step 1: Write the proportion equation
122,180.40 : 168,748.92 = 97,336.08 : x - Step 2: Convert to fraction form
122,180.40/168,748.92 = 97,336.08/x - Step 3: Cross multiply
122,180.40x = 168,748.92 × 97,336.08 - Step 4: Simplify right side
122,180.40x = 16,425,358,377.03 - Step 5: Solve for x
x = 16,425,358,377.03/122,180.40 - Step 6: Final answer
x = 134,435.30
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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.