Finding the Fourth Proportional to 134,108.70, 201,198.02 and 77,894.76
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Solution
The fourth proportional to 134,108.70, 201,198.02 and 77,894.76 is: 116,862.45
Step by Step Solution
- Step 1: Write the proportion equation
134,108.70 : 201,198.02 = 77,894.76 : x - Step 2: Convert to fraction form
134,108.70/201,198.02 = 77,894.76/x - Step 3: Cross multiply
134,108.70x = 201,198.02 × 77,894.76 - Step 4: Simplify right side
134,108.70x = 15,672,271,480.38 - Step 5: Solve for x
x = 15,672,271,480.38/134,108.70 - Step 6: Final answer
x = 116,862.45
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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.