Finding the Fourth Proportional to 134,615.44, 201,989.85 and 98,988.94
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Solution
The fourth proportional to 134,615.44, 201,989.85 and 98,988.94 is: 148,532.45
Step by Step Solution
- Step 1: Write the proportion equation
134,615.44 : 201,989.85 = 98,988.94 : x - Step 2: Convert to fraction form
134,615.44/201,989.85 = 98,988.94/x - Step 3: Cross multiply
134,615.44x = 201,989.85 × 98,988.94 - Step 4: Simplify right side
134,615.44x = 19,994,761,142.26 - Step 5: Solve for x
x = 19,994,761,142.26/134,615.44 - Step 6: Final answer
x = 148,532.45
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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.