Finding the Fourth Proportional to 147,954.02, 204,172.44 and 83,422.68
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Solution
The fourth proportional to 147,954.02, 204,172.44 and 83,422.68 is: 115,120.99
Step by Step Solution
- Step 1: Write the proportion equation
147,954.02 : 204,172.44 = 83,422.68 : x - Step 2: Convert to fraction form
147,954.02/204,172.44 = 83,422.68/x - Step 3: Cross multiply
147,954.02x = 204,172.44 × 83,422.68 - Step 4: Simplify right side
147,954.02x = 17,032,612,126.94 - Step 5: Solve for x
x = 17,032,612,126.94/147,954.02 - Step 6: Final answer
x = 115,120.99
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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.