Finding the Fourth Proportional to 118,137.88, 176,453.77 and 106,875.94
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Solution
The fourth proportional to 118,137.88, 176,453.77 and 106,875.94 is: 159,632.65
Step by Step Solution
- Step 1: Write the proportion equation
118,137.88 : 176,453.77 = 106,875.94 : x - Step 2: Convert to fraction form
118,137.88/176,453.77 = 106,875.94/x - Step 3: Cross multiply
118,137.88x = 176,453.77 × 106,875.94 - Step 4: Simplify right side
118,137.88x = 18,858,662,535.29 - Step 5: Solve for x
x = 18,858,662,535.29/118,137.88 - Step 6: Final answer
x = 159,632.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.