Finding the Fourth Proportional to 125,595.36, 173,142.36 and 89,772.30
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Solution
The fourth proportional to 125,595.36, 173,142.36 and 89,772.30 is: 123,757.66
Step by Step Solution
- Step 1: Write the proportion equation
125,595.36 : 173,142.36 = 89,772.30 : x - Step 2: Convert to fraction form
125,595.36/173,142.36 = 89,772.30/x - Step 3: Cross multiply
125,595.36x = 173,142.36 × 89,772.30 - Step 4: Simplify right side
125,595.36x = 15,543,387,884.63 - Step 5: Solve for x
x = 15,543,387,884.63/125,595.36 - Step 6: Final answer
x = 123,757.66
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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.