Finding the Fourth Proportional to 134,161.74, 185,134.20 and 73,731.08
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Solution
The fourth proportional to 134,161.74, 185,134.20 and 73,731.08 is: 101,743.94
Step by Step Solution
- Step 1: Write the proportion equation
134,161.74 : 185,134.20 = 73,731.08 : x - Step 2: Convert to fraction form
134,161.74/185,134.20 = 73,731.08/x - Step 3: Cross multiply
134,161.74x = 185,134.20 × 73,731.08 - Step 4: Simplify right side
134,161.74x = 13,650,144,510.94 - Step 5: Solve for x
x = 13,650,144,510.94/134,161.74 - Step 6: Final answer
x = 101,743.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.