Finding the Fourth Proportional to 126,279.68, 174,266.91 and 68,919.44
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Solution
The fourth proportional to 126,279.68, 174,266.91 and 68,919.44 is: 95,109.34
Step by Step Solution
- Step 1: Write the proportion equation
126,279.68 : 174,266.91 = 68,919.44 : x - Step 2: Convert to fraction form
126,279.68/174,266.91 = 68,919.44/x - Step 3: Cross multiply
126,279.68x = 174,266.91 × 68,919.44 - Step 4: Simplify right side
126,279.68x = 12,010,376,976.40 - Step 5: Solve for x
x = 12,010,376,976.40/126,279.68 - Step 6: Final answer
x = 95,109.34
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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.