Finding the Fourth Proportional to 132,551.18, 182,915.18 and 72,122.08
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Solution
The fourth proportional to 132,551.18, 182,915.18 and 72,122.08 is: 99,525.51
Step by Step Solution
- Step 1: Write the proportion equation
132,551.18 : 182,915.18 = 72,122.08 : x - Step 2: Convert to fraction form
132,551.18/182,915.18 = 72,122.08/x - Step 3: Cross multiply
132,551.18x = 182,915.18 × 72,122.08 - Step 4: Simplify right side
132,551.18x = 13,192,223,245.17 - Step 5: Solve for x
x = 13,192,223,245.17/132,551.18 - Step 6: Final answer
x = 99,525.51
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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.