Finding the Fourth Proportional to 132,048.18, 197,627.52 and 121,122.90
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Solution
The fourth proportional to 132,048.18, 197,627.52 and 121,122.90 is: 181,276.40
Step by Step Solution
- Step 1: Write the proportion equation
132,048.18 : 197,627.52 = 121,122.90 : x - Step 2: Convert to fraction form
132,048.18/197,627.52 = 121,122.90/x - Step 3: Cross multiply
132,048.18x = 197,627.52 × 121,122.90 - Step 4: Simplify right side
132,048.18x = 23,937,218,342.21 - Step 5: Solve for x
x = 23,937,218,342.21/132,048.18 - Step 6: Final answer
x = 181,276.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.