Finding the Fourth Proportional to 121,549.58, 167,746.83 and 67,845.08
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Solution
The fourth proportional to 121,549.58, 167,746.83 and 67,845.08 is: 93,630.90
Step by Step Solution
- Step 1: Write the proportion equation
121,549.58 : 167,746.83 = 67,845.08 : x - Step 2: Convert to fraction form
121,549.58/167,746.83 = 67,845.08/x - Step 3: Cross multiply
121,549.58x = 167,746.83 × 67,845.08 - Step 4: Simplify right side
121,549.58x = 11,380,797,101.10 - Step 5: Solve for x
x = 11,380,797,101.10/121,549.58 - Step 6: Final answer
x = 93,630.90
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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.