Finding the Fourth Proportional to 96,367.80, 144,551.70 and 81,787.80
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Solution
The fourth proportional to 96,367.80, 144,551.70 and 81,787.80 is: 122,681.70
Step by Step Solution
- Step 1: Write the proportion equation
96,367.80 : 144,551.70 = 81,787.80 : x - Step 2: Convert to fraction form
96,367.80/144,551.70 = 81,787.80/x - Step 3: Cross multiply
96,367.80x = 144,551.70 × 81,787.80 - Step 4: Simplify right side
96,367.80x = 11,822,565,529.26 - Step 5: Solve for x
x = 11,822,565,529.26/96,367.80 - Step 6: Final answer
x = 122,681.70
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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.