Finding the Fourth Proportional to 133,344.48, 183,928.68 and 85,522.08
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Solution
The fourth proportional to 133,344.48, 183,928.68 and 85,522.08 is: 117,964.86
Step by Step Solution
- Step 1: Write the proportion equation
133,344.48 : 183,928.68 = 85,522.08 : x - Step 2: Convert to fraction form
133,344.48/183,928.68 = 85,522.08/x - Step 3: Cross multiply
133,344.48x = 183,928.68 × 85,522.08 - Step 4: Simplify right side
133,344.48x = 15,729,963,285.25 - Step 5: Solve for x
x = 15,729,963,285.25/133,344.48 - Step 6: Final answer
x = 117,964.86
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1.5x scale
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.