Finding the Fourth Proportional to 163,241.92, 225,215.96 and 106,686.08
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Solution
The fourth proportional to 163,241.92, 225,215.96 and 106,686.08 is: 147,188.96
Step by Step Solution
- Step 1: Write the proportion equation
163,241.92 : 225,215.96 = 106,686.08 : x - Step 2: Convert to fraction form
163,241.92/225,215.96 = 106,686.08/x - Step 3: Cross multiply
163,241.92x = 225,215.96 × 106,686.08 - Step 4: Simplify right side
163,241.92x = 24,027,407,925.84 - Step 5: Solve for x
x = 24,027,407,925.84/163,241.92 - Step 6: Final answer
x = 147,188.96
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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.