Finding the Fourth Proportional to 133,517.25, 184,274.42 and 76,156.70
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Solution
The fourth proportional to 133,517.25, 184,274.42 and 76,156.70 is: 105,107.99
Step by Step Solution
- Step 1: Write the proportion equation
133,517.25 : 184,274.42 = 76,156.70 : x - Step 2: Convert to fraction form
133,517.25/184,274.42 = 76,156.70/x - Step 3: Cross multiply
133,517.25x = 184,274.42 × 76,156.70 - Step 4: Simplify right side
133,517.25x = 14,033,730,419.46 - Step 5: Solve for x
x = 14,033,730,419.46/133,517.25 - Step 6: Final answer
x = 105,107.99
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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.