Finding the Fourth Proportional to 126,927.99, 175,153.68 and 69,556.95
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Solution
The fourth proportional to 126,927.99, 175,153.68 and 69,556.95 is: 95,984.78
Step by Step Solution
- Step 1: Write the proportion equation
126,927.99 : 175,153.68 = 69,556.95 : x - Step 2: Convert to fraction form
126,927.99/175,153.68 = 69,556.95/x - Step 3: Cross multiply
126,927.99x = 175,153.68 × 69,556.95 - Step 4: Simplify right side
126,927.99x = 12,183,155,762.08 - Step 5: Solve for x
x = 12,183,155,762.08/126,927.99 - Step 6: Final answer
x = 95,984.78
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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.