Finding the Fourth Proportional to 163,202.64, 225,161.91 and 106,646.82
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Solution
The fourth proportional to 163,202.64, 225,161.91 and 106,646.82 is: 147,134.89
Step by Step Solution
- Step 1: Write the proportion equation
163,202.64 : 225,161.91 = 106,646.82 : x - Step 2: Convert to fraction form
163,202.64/225,161.91 = 106,646.82/x - Step 3: Cross multiply
163,202.64x = 225,161.91 × 106,646.82 - Step 4: Simplify right side
163,202.64x = 24,012,801,686.63 - Step 5: Solve for x
x = 24,012,801,686.63/163,202.64 - Step 6: Final answer
x = 147,134.89
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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.