Finding the Fourth Proportional to 133,955.60, 201,163.80 and 94,787.60
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Solution
The fourth proportional to 133,955.60, 201,163.80 and 94,787.60 is: 142,344.43
Step by Step Solution
- Step 1: Write the proportion equation
133,955.60 : 201,163.80 = 94,787.60 : x - Step 2: Convert to fraction form
133,955.60/201,163.80 = 94,787.60/x - Step 3: Cross multiply
133,955.60x = 201,163.80 × 94,787.60 - Step 4: Simplify right side
133,955.60x = 19,067,833,808.88 - Step 5: Solve for x
x = 19,067,833,808.88/133,955.60 - Step 6: Final answer
x = 142,344.43
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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.