Finding the Fourth Proportional to 132,800.92, 183,261.90 and 72,373.12
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Solution
The fourth proportional to 132,800.92, 183,261.90 and 72,373.12 is: 99,873.07
Step by Step Solution
- Step 1: Write the proportion equation
132,800.92 : 183,261.90 = 72,373.12 : x - Step 2: Convert to fraction form
132,800.92/183,261.90 = 72,373.12/x - Step 3: Cross multiply
132,800.92x = 183,261.90 × 72,373.12 - Step 4: Simplify right side
132,800.92x = 13,263,235,480.13 - Step 5: Solve for x
x = 13,263,235,480.13/132,800.92 - Step 6: Final answer
x = 99,873.07
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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.