Finding the Fourth Proportional to 136,840.88, 205,246.74 and 64,776.62
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Solution
The fourth proportional to 136,840.88, 205,246.74 and 64,776.62 is: 97,158.03
Step by Step Solution
- Step 1: Write the proportion equation
136,840.88 : 205,246.74 = 64,776.62 : x - Step 2: Convert to fraction form
136,840.88/205,246.74 = 64,776.62/x - Step 3: Cross multiply
136,840.88x = 205,246.74 × 64,776.62 - Step 4: Simplify right side
136,840.88x = 13,295,190,083.22 - Step 5: Solve for x
x = 13,295,190,083.22/136,840.88 - Step 6: Final answer
x = 97,158.03
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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.