Finding the Fourth Proportional to 119,122.06, 164,391.02 and 65,410.53
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Solution
The fourth proportional to 119,122.06, 164,391.02 and 65,410.53 is: 90,267.95
Step by Step Solution
- Step 1: Write the proportion equation
119,122.06 : 164,391.02 = 65,410.53 : x - Step 2: Convert to fraction form
119,122.06/164,391.02 = 65,410.53/x - Step 3: Cross multiply
119,122.06x = 164,391.02 × 65,410.53 - Step 4: Simplify right side
119,122.06x = 10,752,903,745.44 - Step 5: Solve for x
x = 10,752,903,745.44/119,122.06 - Step 6: Final answer
x = 90,267.95
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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.