Finding the Fourth Proportional to 132,056.28, 197,985.90 and 79,453.53
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Solution
The fourth proportional to 132,056.28, 197,985.90 and 79,453.53 is: 119,121.02
Step by Step Solution
- Step 1: Write the proportion equation
132,056.28 : 197,985.90 = 79,453.53 : x - Step 2: Convert to fraction form
132,056.28/197,985.90 = 79,453.53/x - Step 3: Cross multiply
132,056.28x = 197,985.90 × 79,453.53 - Step 4: Simplify right side
132,056.28x = 15,730,678,645.23 - Step 5: Solve for x
x = 15,730,678,645.23/132,056.28 - Step 6: Final answer
x = 119,121.02
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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.