Finding the Fourth Proportional to 141,529.05, 212,118.62 and 71,370.09
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Solution
The fourth proportional to 141,529.05, 212,118.62 and 71,370.09 is: 106,966.91
Step by Step Solution
- Step 1: Write the proportion equation
141,529.05 : 212,118.62 = 71,370.09 : x - Step 2: Convert to fraction form
141,529.05/212,118.62 = 71,370.09/x - Step 3: Cross multiply
141,529.05x = 212,118.62 × 71,370.09 - Step 4: Simplify right side
141,529.05x = 15,138,924,643.23 - Step 5: Solve for x
x = 15,138,924,643.23/141,529.05 - Step 6: Final answer
x = 106,966.91
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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.