Finding the Fourth Proportional to 115,689.18, 173,335.73 and 63,135.57
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Solution
The fourth proportional to 115,689.18, 173,335.73 and 63,135.57 is: 94,595.28
Step by Step Solution
- Step 1: Write the proportion equation
115,689.18 : 173,335.73 = 63,135.57 : x - Step 2: Convert to fraction form
115,689.18/173,335.73 = 63,135.57/x - Step 3: Cross multiply
115,689.18x = 173,335.73 × 63,135.57 - Step 4: Simplify right side
115,689.18x = 10,943,649,799.24 - Step 5: Solve for x
x = 10,943,649,799.24/115,689.18 - Step 6: Final answer
x = 94,595.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.