Finding the Fourth Proportional to 146,808.12, 202,595.42 and 79,740.12
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Solution
The fourth proportional to 146,808.12, 202,595.42 and 79,740.12 is: 110,041.48
Step by Step Solution
- Step 1: Write the proportion equation
146,808.12 : 202,595.42 = 79,740.12 : x - Step 2: Convert to fraction form
146,808.12/202,595.42 = 79,740.12/x - Step 3: Cross multiply
146,808.12x = 202,595.42 × 79,740.12 - Step 4: Simplify right side
146,808.12x = 16,154,983,102.25 - Step 5: Solve for x
x = 16,154,983,102.25/146,808.12 - Step 6: Final answer
x = 110,041.48
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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.