Finding the Fourth Proportional to 132,603.37, 182,977.66 and 78,151.99
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Solution
The fourth proportional to 132,603.37, 182,977.66 and 78,151.99 is: 107,840.91
Step by Step Solution
- Step 1: Write the proportion equation
132,603.37 : 182,977.66 = 78,151.99 : x - Step 2: Convert to fraction form
132,603.37/182,977.66 = 78,151.99/x - Step 3: Cross multiply
132,603.37x = 182,977.66 × 78,151.99 - Step 4: Simplify right side
132,603.37x = 14,300,068,254.54 - Step 5: Solve for x
x = 14,300,068,254.54/132,603.37 - Step 6: Final answer
x = 107,840.91
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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.