Finding the Fourth Proportional to 146,956.34, 202,515.36 and 99,126.56
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Solution
The fourth proportional to 146,956.34, 202,515.36 and 99,126.56 is: 136,602.82
Step by Step Solution
- Step 1: Write the proportion equation
146,956.34 : 202,515.36 = 99,126.56 : x - Step 2: Convert to fraction form
146,956.34/202,515.36 = 99,126.56/x - Step 3: Cross multiply
146,956.34x = 202,515.36 × 99,126.56 - Step 4: Simplify right side
146,956.34x = 20,074,650,983.96 - Step 5: Solve for x
x = 20,074,650,983.96/146,956.34 - Step 6: Final answer
x = 136,602.82
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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.