Finding the Fourth Proportional to 129,543.99, 194,315.99 and 50,602.86
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Solution
The fourth proportional to 129,543.99, 194,315.99 and 50,602.86 is: 75,904.28
Step by Step Solution
- Step 1: Write the proportion equation
129,543.99 : 194,315.99 = 50,602.86 : x - Step 2: Convert to fraction form
129,543.99/194,315.99 = 50,602.86/x - Step 3: Cross multiply
129,543.99x = 194,315.99 × 50,602.86 - Step 4: Simplify right side
129,543.99x = 9,832,943,613.14 - Step 5: Solve for x
x = 9,832,943,613.14/129,543.99 - Step 6: Final answer
x = 75,904.28
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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.