Finding the Fourth Proportional to 132,602.37, 182,976.28 and 78,150.99
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Solution
The fourth proportional to 132,602.37, 182,976.28 and 78,150.99 is: 107,839.54
Step by Step Solution
- Step 1: Write the proportion equation
132,602.37 : 182,976.28 = 78,150.99 : x - Step 2: Convert to fraction form
132,602.37/182,976.28 = 78,150.99/x - Step 3: Cross multiply
132,602.37x = 182,976.28 × 78,150.99 - Step 4: Simplify right side
132,602.37x = 14,299,778,358.90 - Step 5: Solve for x
x = 14,299,778,358.90/132,602.37 - Step 6: Final answer
x = 107,839.54
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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.