Finding the Fourth Proportional to 124,513.36, 186,628.48 and 109,491.05
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Solution
The fourth proportional to 124,513.36, 186,628.48 and 109,491.05 is: 164,112.09
Step by Step Solution
- Step 1: Write the proportion equation
124,513.36 : 186,628.48 = 109,491.05 : x - Step 2: Convert to fraction form
124,513.36/186,628.48 = 109,491.05/x - Step 3: Cross multiply
124,513.36x = 186,628.48 × 109,491.05 - Step 4: Simplify right side
124,513.36x = 20,434,148,235.10 - Step 5: Solve for x
x = 20,434,148,235.10/124,513.36 - Step 6: Final answer
x = 164,112.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.