Finding the Fourth Proportional to 119,595.36, 165,035.20 and 68,605.44
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Solution
The fourth proportional to 119,595.36, 165,035.20 and 68,605.44 is: 94,671.84
Step by Step Solution
- Step 1: Write the proportion equation
119,595.36 : 165,035.20 = 68,605.44 : x - Step 2: Convert to fraction form
119,595.36/165,035.20 = 68,605.44/x - Step 3: Cross multiply
119,595.36x = 165,035.20 × 68,605.44 - Step 4: Simplify right side
119,595.36x = 11,322,312,511.49 - Step 5: Solve for x
x = 11,322,312,511.49/119,595.36 - Step 6: Final answer
x = 94,671.84
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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.