Finding the Fourth Proportional to 118,703.34, 177,831.27 and 92,279.70
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Solution
The fourth proportional to 118,703.34, 177,831.27 and 92,279.70 is: 138,245.62
Step by Step Solution
- Step 1: Write the proportion equation
118,703.34 : 177,831.27 = 92,279.70 : x - Step 2: Convert to fraction form
118,703.34/177,831.27 = 92,279.70/x - Step 3: Cross multiply
118,703.34x = 177,831.27 × 92,279.70 - Step 4: Simplify right side
118,703.34x = 16,410,216,246.22 - Step 5: Solve for x
x = 16,410,216,246.22/118,703.34 - Step 6: Final answer
x = 138,245.62
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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.