Finding the Fourth Proportional to 154,137.36, 212,680.68 and 97,508.88
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Solution
The fourth proportional to 154,137.36, 212,680.68 and 97,508.88 is: 134,543.99
Step by Step Solution
- Step 1: Write the proportion equation
154,137.36 : 212,680.68 = 97,508.88 : x - Step 2: Convert to fraction form
154,137.36/212,680.68 = 97,508.88/x - Step 3: Cross multiply
154,137.36x = 212,680.68 × 97,508.88 - Step 4: Simplify right side
154,137.36x = 20,738,254,904.44 - Step 5: Solve for x
x = 20,738,254,904.44/154,137.36 - Step 6: Final answer
x = 134,543.99
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1.5x scale
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.