Finding the Fourth Proportional to 126,217.42, 174,177.24 and 69,628.78
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Solution
The fourth proportional to 126,217.42, 174,177.24 and 69,628.78 is: 96,086.17
Step by Step Solution
- Step 1: Write the proportion equation
126,217.42 : 174,177.24 = 69,628.78 : x - Step 2: Convert to fraction form
126,217.42/174,177.24 = 69,628.78/x - Step 3: Cross multiply
126,217.42x = 174,177.24 × 69,628.78 - Step 4: Simplify right side
126,217.42x = 12,127,748,812.13 - Step 5: Solve for x
x = 12,127,748,812.13/126,217.42 - Step 6: Final answer
x = 96,086.17
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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.