Finding the Fourth Proportional to 121,541.18, 167,726.86 and 67,093.38
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Solution
The fourth proportional to 121,541.18, 167,726.86 and 67,093.38 is: 92,588.88
Step by Step Solution
- Step 1: Write the proportion equation
121,541.18 : 167,726.86 = 67,093.38 : x - Step 2: Convert to fraction form
121,541.18/167,726.86 = 67,093.38/x - Step 3: Cross multiply
121,541.18x = 167,726.86 × 67,093.38 - Step 4: Simplify right side
121,541.18x = 11,253,361,954.19 - Step 5: Solve for x
x = 11,253,361,954.19/121,541.18 - Step 6: Final answer
x = 92,588.88
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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.