Finding the Fourth Proportional to 137,850.04, 190,305.32 and 92,765.08
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Solution
The fourth proportional to 137,850.04, 190,305.32 and 92,765.08 is: 128,064.44
Step by Step Solution
- Step 1: Write the proportion equation
137,850.04 : 190,305.32 = 92,765.08 : x - Step 2: Convert to fraction form
137,850.04/190,305.32 = 92,765.08/x - Step 3: Cross multiply
137,850.04x = 190,305.32 × 92,765.08 - Step 4: Simplify right side
137,850.04x = 17,653,688,234.23 - Step 5: Solve for x
x = 17,653,688,234.23/137,850.04 - Step 6: Final answer
x = 128,064.44
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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.