Finding the Fourth Proportional to 132,135.66, 182,356.20 and 74,775.02
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Solution
The fourth proportional to 132,135.66, 182,356.20 and 74,775.02 is: 103,194.61
Step by Step Solution
- Step 1: Write the proportion equation
132,135.66 : 182,356.20 = 74,775.02 : x - Step 2: Convert to fraction form
132,135.66/182,356.20 = 74,775.02/x - Step 3: Cross multiply
132,135.66x = 182,356.20 × 74,775.02 - Step 4: Simplify right side
132,135.66x = 13,635,688,502.12 - Step 5: Solve for x
x = 13,635,688,502.12/132,135.66 - Step 6: Final answer
x = 103,194.61
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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.