Finding the Fourth Proportional to 125,553.36, 173,191.26 and 75,223.20
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Solution
The fourth proportional to 125,553.36, 173,191.26 and 75,223.20 is: 103,764.65
Step by Step Solution
- Step 1: Write the proportion equation
125,553.36 : 173,191.26 = 75,223.20 : x - Step 2: Convert to fraction form
125,553.36/173,191.26 = 75,223.20/x - Step 3: Cross multiply
125,553.36x = 173,191.26 × 75,223.20 - Step 4: Simplify right side
125,553.36x = 13,028,000,789.23 - Step 5: Solve for x
x = 13,028,000,789.23/125,553.36 - Step 6: Final answer
x = 103,764.65
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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.