Finding the Fourth Proportional to 112,593.99, 155,064.20 and 93,558.99
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Solution
The fourth proportional to 112,593.99, 155,064.20 and 93,558.99 is: 128,849.23
Step by Step Solution
- Step 1: Write the proportion equation
112,593.99 : 155,064.20 = 93,558.99 : x - Step 2: Convert to fraction form
112,593.99/155,064.20 = 93,558.99/x - Step 3: Cross multiply
112,593.99x = 155,064.20 × 93,558.99 - Step 4: Simplify right side
112,593.99x = 14,507,649,469.36 - Step 5: Solve for x
x = 14,507,649,469.36/112,593.99 - Step 6: Final answer
x = 128,849.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.