Finding the Fourth Proportional to 136,558.64, 188,344.09 and 88,827.23
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Solution
The fourth proportional to 136,558.64, 188,344.09 and 88,827.23 is: 122,512.09
Step by Step Solution
- Step 1: Write the proportion equation
136,558.64 : 188,344.09 = 88,827.23 : x - Step 2: Convert to fraction form
136,558.64/188,344.09 = 88,827.23/x - Step 3: Cross multiply
136,558.64x = 188,344.09 × 88,827.23 - Step 4: Simplify right side
136,558.64x = 16,730,083,801.57 - Step 5: Solve for x
x = 16,730,083,801.57/136,558.64 - Step 6: Final answer
x = 122,512.09
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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.