Finding the Fourth Proportional to 134,602.92, 201,681.18 and 81,852.84
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Solution
The fourth proportional to 134,602.92, 201,681.18 and 81,852.84 is: 122,643.53
Step by Step Solution
- Step 1: Write the proportion equation
134,602.92 : 201,681.18 = 81,852.84 : x - Step 2: Convert to fraction form
134,602.92/201,681.18 = 81,852.84/x - Step 3: Cross multiply
134,602.92x = 201,681.18 × 81,852.84 - Step 4: Simplify right side
134,602.92x = 16,508,177,357.55 - Step 5: Solve for x
x = 16,508,177,357.55/134,602.92 - Step 6: Final answer
x = 122,643.53
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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.