Finding the Fourth Proportional to 135,118.49, 202,519.46 and 55,106.55
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Solution
The fourth proportional to 135,118.49, 202,519.46 and 55,106.55 is: 82,595.28
Step by Step Solution
- Step 1: Write the proportion equation
135,118.49 : 202,519.46 = 55,106.55 : x - Step 2: Convert to fraction form
135,118.49/202,519.46 = 55,106.55/x - Step 3: Cross multiply
135,118.49x = 202,519.46 × 55,106.55 - Step 4: Simplify right side
135,118.49x = 11,160,148,886.23 - Step 5: Solve for x
x = 11,160,148,886.23/135,118.49 - Step 6: Final answer
x = 82,595.28
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1.5x scale
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.