Finding the Fourth Proportional to 133,132.98, 199,643.95 and 54,193.62
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Solution
The fourth proportional to 133,132.98, 199,643.95 and 54,193.62 is: 81,267.83
Step by Step Solution
- Step 1: Write the proportion equation
133,132.98 : 199,643.95 = 54,193.62 : x - Step 2: Convert to fraction form
133,132.98/199,643.95 = 54,193.62/x - Step 3: Cross multiply
133,132.98x = 199,643.95 × 54,193.62 - Step 4: Simplify right side
133,132.98x = 10,819,428,361.60 - Step 5: Solve for x
x = 10,819,428,361.60/133,132.98 - Step 6: Final answer
x = 81,267.83
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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.