Finding the Fourth Proportional to 126,609.58, 174,714.15 and 69,237.58
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Solution
The fourth proportional to 126,609.58, 174,714.15 and 69,237.58 is: 95,543.99
Step by Step Solution
- Step 1: Write the proportion equation
126,609.58 : 174,714.15 = 69,237.58 : x - Step 2: Convert to fraction form
126,609.58/174,714.15 = 69,237.58/x - Step 3: Cross multiply
126,609.58x = 174,714.15 × 69,237.58 - Step 4: Simplify right side
126,609.58x = 12,096,784,805.91 - Step 5: Solve for x
x = 12,096,784,805.91/126,609.58 - Step 6: Final answer
x = 95,543.99
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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.