Finding the Fourth Proportional to 148,215.20, 204,536.76 and 80,231.84
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Solution
The fourth proportional to 148,215.20, 204,536.76 and 80,231.84 is: 110,719.82
Step by Step Solution
- Step 1: Write the proportion equation
148,215.20 : 204,536.76 = 80,231.84 : x - Step 2: Convert to fraction form
148,215.20/204,536.76 = 80,231.84/x - Step 3: Cross multiply
148,215.20x = 204,536.76 × 80,231.84 - Step 4: Simplify right side
148,215.20x = 16,410,360,602.44 - Step 5: Solve for x
x = 16,410,360,602.44/148,215.20 - Step 6: Final answer
x = 110,719.82
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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.