Finding the Fourth Proportional to 127,750.05, 176,291.91 and 71,160.21
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Solution
The fourth proportional to 127,750.05, 176,291.91 and 71,160.21 is: 98,199.33
Step by Step Solution
- Step 1: Write the proportion equation
127,750.05 : 176,291.91 = 71,160.21 : x - Step 2: Convert to fraction form
127,750.05/176,291.91 = 71,160.21/x - Step 3: Cross multiply
127,750.05x = 176,291.91 × 71,160.21 - Step 4: Simplify right side
127,750.05x = 12,544,969,336.90 - Step 5: Solve for x
x = 12,544,969,336.90/127,750.05 - Step 6: Final answer
x = 98,199.33
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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.