Finding the Fourth Proportional to 147,122.98, 203,052.36 and 83,447.26
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Solution
The fourth proportional to 147,122.98, 203,052.36 and 83,447.26 is: 115,170.06
Step by Step Solution
- Step 1: Write the proportion equation
147,122.98 : 203,052.36 = 83,447.26 : x - Step 2: Convert to fraction form
147,122.98/203,052.36 = 83,447.26/x - Step 3: Cross multiply
147,122.98x = 203,052.36 × 83,447.26 - Step 4: Simplify right side
147,122.98x = 16,944,163,078.53 - Step 5: Solve for x
x = 16,944,163,078.53/147,122.98 - Step 6: Final answer
x = 115,170.06
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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.