Finding the Fourth Proportional to 133,763.28, 199,465.92 and 132,564.12
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Solution
The fourth proportional to 133,763.28, 199,465.92 and 132,564.12 is: 197,677.75
Step by Step Solution
- Step 1: Write the proportion equation
133,763.28 : 199,465.92 = 132,564.12 : x - Step 2: Convert to fraction form
133,763.28/199,465.92 = 132,564.12/x - Step 3: Cross multiply
133,763.28x = 199,465.92 × 132,564.12 - Step 4: Simplify right side
133,763.28x = 26,442,024,154.79 - Step 5: Solve for x
x = 26,442,024,154.79/133,763.28 - Step 6: Final answer
x = 197,677.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.