Finding the Fourth Proportional to 118,352.76, 163,218.63 and 92,514.75
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Solution
The fourth proportional to 118,352.76, 163,218.63 and 92,514.75 is: 127,585.79
Step by Step Solution
- Step 1: Write the proportion equation
118,352.76 : 163,218.63 = 92,514.75 : x - Step 2: Convert to fraction form
118,352.76/163,218.63 = 92,514.75/x - Step 3: Cross multiply
118,352.76x = 163,218.63 × 92,514.75 - Step 4: Simplify right side
118,352.76x = 15,100,130,749.79 - Step 5: Solve for x
x = 15,100,130,749.79/118,352.76 - Step 6: Final answer
x = 127,585.79
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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.