Finding the Fourth Proportional to 119,452.14, 164,840.36 and 65,737.08
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Solution
The fourth proportional to 119,452.14, 164,840.36 and 65,737.08 is: 90,715.19
Step by Step Solution
- Step 1: Write the proportion equation
119,452.14 : 164,840.36 = 65,737.08 : x - Step 2: Convert to fraction form
119,452.14/164,840.36 = 65,737.08/x - Step 3: Cross multiply
119,452.14x = 164,840.36 × 65,737.08 - Step 4: Simplify right side
119,452.14x = 10,836,123,603.86 - Step 5: Solve for x
x = 10,836,123,603.86/119,452.14 - Step 6: Final answer
x = 90,715.19
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1.5x scale
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.