Finding the Fourth Proportional to 133,073.80, 199,610.70 and 119,951.80
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Solution
The fourth proportional to 133,073.80, 199,610.70 and 119,951.80 is: 179,927.70
Step by Step Solution
- Step 1: Write the proportion equation
133,073.80 : 199,610.70 = 119,951.80 : x - Step 2: Convert to fraction form
133,073.80/199,610.70 = 119,951.80/x - Step 3: Cross multiply
133,073.80x = 199,610.70 × 119,951.80 - Step 4: Simplify right side
133,073.80x = 23,943,662,764.26 - Step 5: Solve for x
x = 23,943,662,764.26/133,073.80 - Step 6: Final answer
x = 179,927.70
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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.