Finding the Fourth Proportional to 133,051.52, 199,403.99 and 54,073.41
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Solution
The fourth proportional to 133,051.52, 199,403.99 and 54,073.41 is: 81,039.69
Step by Step Solution
- Step 1: Write the proportion equation
133,051.52 : 199,403.99 = 54,073.41 : x - Step 2: Convert to fraction form
133,051.52/199,403.99 = 54,073.41/x - Step 3: Cross multiply
133,051.52x = 199,403.99 × 54,073.41 - Step 4: Simplify right side
133,051.52x = 10,782,453,436.54 - Step 5: Solve for x
x = 10,782,453,436.54/133,051.52 - Step 6: Final answer
x = 81,039.69
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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.