Finding the Fourth Proportional to 153,722.05, 212,235.14 and 96,439.92
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Solution
The fourth proportional to 153,722.05, 212,235.14 and 96,439.92 is: 133,149.01
Step by Step Solution
- Step 1: Write the proportion equation
153,722.05 : 212,235.14 = 96,439.92 : x - Step 2: Convert to fraction form
153,722.05/212,235.14 = 96,439.92/x - Step 3: Cross multiply
153,722.05x = 212,235.14 × 96,439.92 - Step 4: Simplify right side
153,722.05x = 20,467,938,825.53 - Step 5: Solve for x
x = 20,467,938,825.53/153,722.05 - Step 6: Final answer
x = 133,149.01
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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.