Finding the Fourth Proportional to 134,087.81, 201,128.60 and 67,510.07
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Solution
The fourth proportional to 134,087.81, 201,128.60 and 67,510.07 is: 101,263.53
Step by Step Solution
- Step 1: Write the proportion equation
134,087.81 : 201,128.60 = 67,510.07 : x - Step 2: Convert to fraction form
134,087.81/201,128.60 = 67,510.07/x - Step 3: Cross multiply
134,087.81x = 201,128.60 × 67,510.07 - Step 4: Simplify right side
134,087.81x = 13,578,205,028.13 - Step 5: Solve for x
x = 13,578,205,028.13/134,087.81 - Step 6: Final answer
x = 101,263.53
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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.