Finding the Fourth Proportional to 135,717.95, 203,680.85 and 97,748.98
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Solution
The fourth proportional to 135,717.95, 203,680.85 and 97,748.98 is: 146,698.32
Step by Step Solution
- Step 1: Write the proportion equation
135,717.95 : 203,680.85 = 97,748.98 : x - Step 2: Convert to fraction form
135,717.95/203,680.85 = 97,748.98/x - Step 3: Cross multiply
135,717.95x = 203,680.85 × 97,748.98 - Step 4: Simplify right side
135,717.95x = 19,909,595,832.01 - Step 5: Solve for x
x = 19,909,595,832.01/135,717.95 - Step 6: Final answer
x = 146,698.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.