Finding the Fourth Proportional to 132,417.42, 198,563.93 and 48,118.13
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Solution
The fourth proportional to 132,417.42, 198,563.93 and 48,118.13 is: 72,154.59
Step by Step Solution
- Step 1: Write the proportion equation
132,417.42 : 198,563.93 = 48,118.13 : x - Step 2: Convert to fraction form
132,417.42/198,563.93 = 48,118.13/x - Step 3: Cross multiply
132,417.42x = 198,563.93 × 48,118.13 - Step 4: Simplify right side
132,417.42x = 9,554,524,997.05 - Step 5: Solve for x
x = 9,554,524,997.05/132,417.42 - Step 6: Final answer
x = 72,154.59
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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.