Finding the Fourth Proportional to 134,787.20, 202,152.45 and 68,164.70
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Solution
The fourth proportional to 134,787.20, 202,152.45 and 68,164.70 is: 102,232.71
Step by Step Solution
- Step 1: Write the proportion equation
134,787.20 : 202,152.45 = 68,164.70 : x - Step 2: Convert to fraction form
134,787.20/202,152.45 = 68,164.70/x - Step 3: Cross multiply
134,787.20x = 202,152.45 × 68,164.70 - Step 4: Simplify right side
134,787.20x = 13,779,661,108.52 - Step 5: Solve for x
x = 13,779,661,108.52/134,787.20 - Step 6: Final answer
x = 102,232.71
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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.