Finding the Fourth Proportional to 146,658.36, 202,388.64 and 79,590.36
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Solution
The fourth proportional to 146,658.36, 202,388.64 and 79,590.36 is: 109,834.75
Step by Step Solution
- Step 1: Write the proportion equation
146,658.36 : 202,388.64 = 79,590.36 : x - Step 2: Convert to fraction form
146,658.36/202,388.64 = 79,590.36/x - Step 3: Cross multiply
146,658.36x = 202,388.64 × 79,590.36 - Step 4: Simplify right side
146,658.36x = 16,108,184,717.51 - Step 5: Solve for x
x = 16,108,184,717.51/146,658.36 - Step 6: Final answer
x = 109,834.75
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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.