Finding the Fourth Proportional to 126,542.73, 189,907.98 and 59,982.99
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Solution
The fourth proportional to 126,542.73, 189,907.98 and 59,982.99 is: 90,018.99
Step by Step Solution
- Step 1: Write the proportion equation
126,542.73 : 189,907.98 = 59,982.99 : x - Step 2: Convert to fraction form
126,542.73/189,907.98 = 59,982.99/x - Step 3: Cross multiply
126,542.73x = 189,907.98 × 59,982.99 - Step 4: Simplify right side
126,542.73x = 11,391,248,465.26 - Step 5: Solve for x
x = 11,391,248,465.26/126,542.73 - Step 6: Final answer
x = 90,018.99
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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.