Finding the Fourth Proportional to 125,607.96, 173,328.84 and 71,880.66
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Solution
The fourth proportional to 125,607.96, 173,328.84 and 71,880.66 is: 99,189.51
Step by Step Solution
- Step 1: Write the proportion equation
125,607.96 : 173,328.84 = 71,880.66 : x - Step 2: Convert to fraction form
125,607.96/173,328.84 = 71,880.66/x - Step 3: Cross multiply
125,607.96x = 173,328.84 × 71,880.66 - Step 4: Simplify right side
125,607.96x = 12,458,991,416.23 - Step 5: Solve for x
x = 12,458,991,416.23/125,607.96 - Step 6: Final answer
x = 99,189.51
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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.