Finding the Fourth Proportional to 126,895.70, 174,875.00 and 91,023.63
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Solution
The fourth proportional to 126,895.70, 174,875.00 and 91,023.63 is: 125,439.69
Step by Step Solution
- Step 1: Write the proportion equation
126,895.70 : 174,875.00 = 91,023.63 : x - Step 2: Convert to fraction form
126,895.70/174,875.00 = 91,023.63/x - Step 3: Cross multiply
126,895.70x = 174,875.00 × 91,023.63 - Step 4: Simplify right side
126,895.70x = 15,917,756,841.13 - Step 5: Solve for x
x = 15,917,756,841.13/126,895.70 - Step 6: Final answer
x = 125,439.69
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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.