Finding the Fourth Proportional to 134,630.80, 201,946.20 and 124,133.20
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Solution
The fourth proportional to 134,630.80, 201,946.20 and 124,133.20 is: 186,199.80
Step by Step Solution
- Step 1: Write the proportion equation
134,630.80 : 201,946.20 = 124,133.20 : x - Step 2: Convert to fraction form
134,630.80/201,946.20 = 124,133.20/x - Step 3: Cross multiply
134,630.80x = 201,946.20 × 124,133.20 - Step 4: Simplify right side
134,630.80x = 25,068,228,033.84 - Step 5: Solve for x
x = 25,068,228,033.84/134,630.80 - Step 6: Final answer
x = 186,199.80
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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.