Finding the Fourth Proportional to 126,303.75, 174,299.19 and 69,715.14
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Solution
The fourth proportional to 126,303.75, 174,299.19 and 69,715.14 is: 96,206.90
Step by Step Solution
- Step 1: Write the proportion equation
126,303.75 : 174,299.19 = 69,715.14 : x - Step 2: Convert to fraction form
126,303.75/174,299.19 = 69,715.14/x - Step 3: Cross multiply
126,303.75x = 174,299.19 × 69,715.14 - Step 4: Simplify right side
126,303.75x = 12,151,292,432.74 - Step 5: Solve for x
x = 12,151,292,432.74/126,303.75 - Step 6: Final answer
x = 96,206.90
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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.