Finding the Fourth Proportional to 135,686.63, 203,536.34 and 111,950.19
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Solution
The fourth proportional to 135,686.63, 203,536.34 and 111,950.19 is: 167,930.56
Step by Step Solution
- Step 1: Write the proportion equation
135,686.63 : 203,536.34 = 111,950.19 : x - Step 2: Convert to fraction form
135,686.63/203,536.34 = 111,950.19/x - Step 3: Cross multiply
135,686.63x = 203,536.34 × 111,950.19 - Step 4: Simplify right side
135,686.63x = 22,785,931,934.90 - Step 5: Solve for x
x = 22,785,931,934.90/135,686.63 - Step 6: Final answer
x = 167,930.56
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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.