Finding the Fourth Proportional to 107,214.63, 147,859.36 and 66,932.11
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Solution
The fourth proportional to 107,214.63, 147,859.36 and 66,932.11 is: 92,305.86
Step by Step Solution
- Step 1: Write the proportion equation
107,214.63 : 147,859.36 = 66,932.11 : x - Step 2: Convert to fraction form
107,214.63/147,859.36 = 66,932.11/x - Step 3: Cross multiply
107,214.63x = 147,859.36 × 66,932.11 - Step 4: Simplify right side
107,214.63x = 9,896,538,948.05 - Step 5: Solve for x
x = 9,896,538,948.05/107,214.63 - Step 6: Final answer
x = 92,305.86
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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.