Finding the Fourth Proportional to 148,202.26, 204,519.12 and 81,134.26
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Solution
The fourth proportional to 148,202.26, 204,519.12 and 81,134.26 is: 111,965.28
Step by Step Solution
- Step 1: Write the proportion equation
148,202.26 : 204,519.12 = 81,134.26 : x - Step 2: Convert to fraction form
148,202.26/204,519.12 = 81,134.26/x - Step 3: Cross multiply
148,202.26x = 204,519.12 × 81,134.26 - Step 4: Simplify right side
148,202.26x = 16,593,507,457.05 - Step 5: Solve for x
x = 16,593,507,457.05/148,202.26 - Step 6: Final answer
x = 111,965.28
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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.