Finding the Fourth Proportional to 132,196.32, 182,431.08 and 71,766.99
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Solution
The fourth proportional to 132,196.32, 182,431.08 and 71,766.99 is: 99,038.53
Step by Step Solution
- Step 1: Write the proportion equation
132,196.32 : 182,431.08 = 71,766.99 : x - Step 2: Convert to fraction form
132,196.32/182,431.08 = 71,766.99/x - Step 3: Cross multiply
132,196.32x = 182,431.08 × 71,766.99 - Step 4: Simplify right side
132,196.32x = 13,092,529,494.05 - Step 5: Solve for x
x = 13,092,529,494.05/132,196.32 - Step 6: Final answer
x = 99,038.53
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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.