Finding the Fourth Proportional to 134,005.84, 201,013.20 and 67,409.68
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Solution
The fourth proportional to 134,005.84, 201,013.20 and 67,409.68 is: 101,116.75
Step by Step Solution
- Step 1: Write the proportion equation
134,005.84 : 201,013.20 = 67,409.68 : x - Step 2: Convert to fraction form
134,005.84/201,013.20 = 67,409.68/x - Step 3: Cross multiply
134,005.84x = 201,013.20 × 67,409.68 - Step 4: Simplify right side
134,005.84x = 13,550,235,487.78 - Step 5: Solve for x
x = 13,550,235,487.78/134,005.84 - Step 6: Final answer
x = 101,116.75
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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.