Finding the Fourth Proportional to 106,988.97, 147,642.97 and 59,241.29
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Solution
The fourth proportional to 106,988.97, 147,642.97 and 59,241.29 is: 81,751.98
Step by Step Solution
- Step 1: Write the proportion equation
106,988.97 : 147,642.97 = 59,241.29 : x - Step 2: Convert to fraction form
106,988.97/147,642.97 = 59,241.29/x - Step 3: Cross multiply
106,988.97x = 147,642.97 × 59,241.29 - Step 4: Simplify right side
106,988.97x = 8,746,560,002.23 - Step 5: Solve for x
x = 8,746,560,002.23/106,988.97 - Step 6: Final answer
x = 81,751.98
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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.