Finding the Fourth Proportional to 146,865.03, 202,658.49 and 86,432.07
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Solution
The fourth proportional to 146,865.03, 202,658.49 and 86,432.07 is: 119,267.28
Step by Step Solution
- Step 1: Write the proportion equation
146,865.03 : 202,658.49 = 86,432.07 : x - Step 2: Convert to fraction form
146,865.03/202,658.49 = 86,432.07/x - Step 3: Cross multiply
146,865.03x = 202,658.49 × 86,432.07 - Step 4: Simplify right side
146,865.03x = 17,516,192,793.77 - Step 5: Solve for x
x = 17,516,192,793.77/146,865.03 - Step 6: Final answer
x = 119,267.28
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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.