Finding the Fourth Proportional to 126,567.36, 174,663.09 and 69,206.94
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Solution
The fourth proportional to 126,567.36, 174,663.09 and 69,206.94 is: 95,505.65
Step by Step Solution
- Step 1: Write the proportion equation
126,567.36 : 174,663.09 = 69,206.94 : x - Step 2: Convert to fraction form
126,567.36/174,663.09 = 69,206.94/x - Step 3: Cross multiply
126,567.36x = 174,663.09 × 69,206.94 - Step 4: Simplify right side
126,567.36x = 12,087,897,989.84 - Step 5: Solve for x
x = 12,087,897,989.84/126,567.36 - Step 6: Final answer
x = 95,505.65
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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.