Finding the Fourth Proportional to 125,439.04, 173,107.20 and 68,849.20
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Solution
The fourth proportional to 125,439.04, 173,107.20 and 68,849.20 is: 95,012.62
Step by Step Solution
- Step 1: Write the proportion equation
125,439.04 : 173,107.20 = 68,849.20 : x - Step 2: Convert to fraction form
125,439.04/173,107.20 = 68,849.20/x - Step 3: Cross multiply
125,439.04x = 173,107.20 × 68,849.20 - Step 4: Simplify right side
125,439.04x = 11,918,292,234.24 - Step 5: Solve for x
x = 11,918,292,234.24/125,439.04 - Step 6: Final answer
x = 95,012.62
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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.