Finding the Fourth Proportional to 125,590.76, 173,360.72 and 83,162.96
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Solution
The fourth proportional to 125,590.76, 173,360.72 and 83,162.96 is: 114,794.99
Step by Step Solution
- Step 1: Write the proportion equation
125,590.76 : 173,360.72 = 83,162.96 : x - Step 2: Convert to fraction form
125,590.76/173,360.72 = 83,162.96/x - Step 3: Cross multiply
125,590.76x = 173,360.72 × 83,162.96 - Step 4: Simplify right side
125,590.76x = 14,417,190,622.93 - Step 5: Solve for x
x = 14,417,190,622.93/125,590.76 - Step 6: Final answer
x = 114,794.99
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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.