Finding the Fourth Proportional to 134,139.30, 201,208.95 and 132,065.70
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Solution
The fourth proportional to 134,139.30, 201,208.95 and 132,065.70 is: 198,098.55
Step by Step Solution
- Step 1: Write the proportion equation
134,139.30 : 201,208.95 = 132,065.70 : x - Step 2: Convert to fraction form
134,139.30/201,208.95 = 132,065.70/x - Step 3: Cross multiply
134,139.30x = 201,208.95 × 132,065.70 - Step 4: Simplify right side
134,139.30x = 26,572,800,828.02 - Step 5: Solve for x
x = 26,572,800,828.02/134,139.30 - Step 6: Final answer
x = 198,098.55
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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.