Finding the Fourth Proportional to 127,176.21, 190,720.26 and 63,971.91
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Solution
The fourth proportional to 127,176.21, 190,720.26 and 63,971.91 is: 95,935.70
Step by Step Solution
- Step 1: Write the proportion equation
127,176.21 : 190,720.26 = 63,971.91 : x - Step 2: Convert to fraction form
127,176.21/190,720.26 = 63,971.91/x - Step 3: Cross multiply
127,176.21x = 190,720.26 × 63,971.91 - Step 4: Simplify right side
127,176.21x = 12,200,739,307.90 - Step 5: Solve for x
x = 12,200,739,307.90/127,176.21 - Step 6: Final answer
x = 95,935.70
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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.