Finding the Fourth Proportional to 143,615.97, 198,159.97 and 83,182.99
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Solution
The fourth proportional to 143,615.97, 198,159.97 and 83,182.99 is: 114,775.11
Step by Step Solution
- Step 1: Write the proportion equation
143,615.97 : 198,159.97 = 83,182.99 : x - Step 2: Convert to fraction form
143,615.97/198,159.97 = 83,182.99/x - Step 3: Cross multiply
143,615.97x = 198,159.97 × 83,182.99 - Step 4: Simplify right side
143,615.97x = 16,483,538,802.91 - Step 5: Solve for x
x = 16,483,538,802.91/143,615.97 - Step 6: Final answer
x = 114,775.11
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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.