Finding the Fourth Proportional to 115,671.34, 173,260.97 and 68,235.31
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Solution
The fourth proportional to 115,671.34, 173,260.97 and 68,235.31 is: 102,207.83
Step by Step Solution
- Step 1: Write the proportion equation
115,671.34 : 173,260.97 = 68,235.31 : x - Step 2: Convert to fraction form
115,671.34/173,260.97 = 68,235.31/x - Step 3: Cross multiply
115,671.34x = 173,260.97 × 68,235.31 - Step 4: Simplify right side
115,671.34x = 11,822,516,513.96 - Step 5: Solve for x
x = 11,822,516,513.96/115,671.34 - Step 6: Final answer
x = 102,207.83
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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.