Finding the Fourth Proportional to 163,009.92, 225,051.84 and 106,515.84
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Solution
The fourth proportional to 163,009.92, 225,051.84 and 106,515.84 is: 147,055.99
Step by Step Solution
- Step 1: Write the proportion equation
163,009.92 : 225,051.84 = 106,515.84 : x - Step 2: Convert to fraction form
163,009.92/225,051.84 = 106,515.84/x - Step 3: Cross multiply
163,009.92x = 225,051.84 × 106,515.84 - Step 4: Simplify right side
163,009.92x = 23,971,585,781.15 - Step 5: Solve for x
x = 23,971,585,781.15/163,009.92 - Step 6: Final answer
x = 147,055.99
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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.