Finding the Fourth Proportional to 158,157.16, 237,209.08 and 68,175.09
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Solution
The fourth proportional to 158,157.16, 237,209.08 and 68,175.09 is: 102,251.15
Step by Step Solution
- Step 1: Write the proportion equation
158,157.16 : 237,209.08 = 68,175.09 : x - Step 2: Convert to fraction form
158,157.16/237,209.08 = 68,175.09/x - Step 3: Cross multiply
158,157.16x = 237,209.08 × 68,175.09 - Step 4: Simplify right side
158,157.16x = 16,171,751,194.10 - Step 5: Solve for x
x = 16,171,751,194.10/158,157.16 - Step 6: Final answer
x = 102,251.15
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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.