Finding the Fourth Proportional to 121,536.28, 167,720.08 and 67,088.47
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Solution
The fourth proportional to 121,536.28, 167,720.08 and 67,088.47 is: 92,582.09
Step by Step Solution
- Step 1: Write the proportion equation
121,536.28 : 167,720.08 = 67,088.47 : x - Step 2: Convert to fraction form
121,536.28/167,720.08 = 67,088.47/x - Step 3: Cross multiply
121,536.28x = 167,720.08 × 67,088.47 - Step 4: Simplify right side
121,536.28x = 11,252,083,220.04 - Step 5: Solve for x
x = 11,252,083,220.04/121,536.28 - Step 6: Final answer
x = 92,582.09
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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.