Finding the Fourth Proportional to 163,729.20, 245,593.80 and 141,178.80
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Solution
The fourth proportional to 163,729.20, 245,593.80 and 141,178.80 is: 211,768.20
Step by Step Solution
- Step 1: Write the proportion equation
163,729.20 : 245,593.80 = 141,178.80 : x - Step 2: Convert to fraction form
163,729.20/245,593.80 = 141,178.80/x - Step 3: Cross multiply
163,729.20x = 245,593.80 × 141,178.80 - Step 4: Simplify right side
163,729.20x = 34,672,637,971.44 - Step 5: Solve for x
x = 34,672,637,971.44/163,729.20 - Step 6: Final answer
x = 211,768.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.