Finding the Fourth Proportional to 126,543.73, 189,909.48 and 59,983.99
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Solution
The fourth proportional to 126,543.73, 189,909.48 and 59,983.99 is: 90,020.49
Step by Step Solution
- Step 1: Write the proportion equation
126,543.73 : 189,909.48 = 59,983.99 : x - Step 2: Convert to fraction form
126,543.73/189,909.48 = 59,983.99/x - Step 3: Cross multiply
126,543.73x = 189,909.48 × 59,983.99 - Step 4: Simplify right side
126,543.73x = 11,391,528,349.23 - Step 5: Solve for x
x = 11,391,528,349.23/126,543.73 - Step 6: Final answer
x = 90,020.49
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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.