Finding the Fourth Proportional to 177,132.20, 266,107.90 and 121,836.20
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Solution
The fourth proportional to 177,132.20, 266,107.90 and 121,836.20 is: 183,036.03
Step by Step Solution
- Step 1: Write the proportion equation
177,132.20 : 266,107.90 = 121,836.20 : x - Step 2: Convert to fraction form
177,132.20/266,107.90 = 121,836.20/x - Step 3: Cross multiply
177,132.20x = 266,107.90 × 121,836.20 - Step 4: Simplify right side
177,132.20x = 32,421,575,325.98 - Step 5: Solve for x
x = 32,421,575,325.98/177,132.20 - Step 6: Final answer
x = 183,036.03
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1.5x scale
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.