Finding the Fourth Proportional to 134,468.80, 201,703.20 and 125,720.80
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Solution
The fourth proportional to 134,468.80, 201,703.20 and 125,720.80 is: 188,581.20
Step by Step Solution
- Step 1: Write the proportion equation
134,468.80 : 201,703.20 = 125,720.80 : x - Step 2: Convert to fraction form
134,468.80/201,703.20 = 125,720.80/x - Step 3: Cross multiply
134,468.80x = 201,703.20 × 125,720.80 - Step 4: Simplify right side
134,468.80x = 25,358,287,666.56 - Step 5: Solve for x
x = 25,358,287,666.56/134,468.80 - Step 6: Final answer
x = 188,581.20
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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.