Finding the Fourth Proportional to 125,587.56, 173,143.26 and 107,605.56
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Solution
The fourth proportional to 125,587.56, 173,143.26 and 107,605.56 is: 148,352.09
Step by Step Solution
- Step 1: Write the proportion equation
125,587.56 : 173,143.26 = 107,605.56 : x - Step 2: Convert to fraction form
125,587.56/173,143.26 = 107,605.56/x - Step 3: Cross multiply
125,587.56x = 173,143.26 × 107,605.56 - Step 4: Simplify right side
125,587.56x = 18,631,177,452.53 - Step 5: Solve for x
x = 18,631,177,452.53/125,587.56 - Step 6: Final answer
x = 148,352.09
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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.