Finding the Fourth Proportional to 125,503.91, 173,195.03 and 75,202.91
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Solution
The fourth proportional to 125,503.91, 173,195.03 and 75,202.91 is: 103,779.80
Step by Step Solution
- Step 1: Write the proportion equation
125,503.91 : 173,195.03 = 75,202.91 : x - Step 2: Convert to fraction form
125,503.91/173,195.03 = 75,202.91/x - Step 3: Cross multiply
125,503.91x = 173,195.03 × 75,202.91 - Step 4: Simplify right side
125,503.91x = 13,024,769,575.57 - Step 5: Solve for x
x = 13,024,769,575.57/125,503.91 - Step 6: Final answer
x = 103,779.80
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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.