Finding the Fourth Proportional to 134,886.06, 202,197.47 and 87,471.90
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Solution
The fourth proportional to 134,886.06, 202,197.47 and 87,471.90 is: 131,122.49
Step by Step Solution
- Step 1: Write the proportion equation
134,886.06 : 202,197.47 = 87,471.90 : x - Step 2: Convert to fraction form
134,886.06/202,197.47 = 87,471.90/x - Step 3: Cross multiply
134,886.06x = 202,197.47 × 87,471.90 - Step 4: Simplify right side
134,886.06x = 17,686,596,438.73 - Step 5: Solve for x
x = 17,686,596,438.73/134,886.06 - Step 6: Final answer
x = 131,122.49
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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.