Finding the Fourth Proportional to 145,094.13, 200,323.26 and 99,757.62
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Solution
The fourth proportional to 145,094.13, 200,323.26 and 99,757.62 is: 137,729.70
Step by Step Solution
- Step 1: Write the proportion equation
145,094.13 : 200,323.26 = 99,757.62 : x - Step 2: Convert to fraction form
145,094.13/200,323.26 = 99,757.62/x - Step 3: Cross multiply
145,094.13x = 200,323.26 × 99,757.62 - Step 4: Simplify right side
145,094.13x = 19,983,771,648.24 - Step 5: Solve for x
x = 19,983,771,648.24/145,094.13 - Step 6: Final answer
x = 137,729.70
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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.