Finding the Fourth Proportional to 119,916.08, 165,483.12 and 66,199.94
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Solution
The fourth proportional to 119,916.08, 165,483.12 and 66,199.94 is: 91,355.33
Step by Step Solution
- Step 1: Write the proportion equation
119,916.08 : 165,483.12 = 66,199.94 : x - Step 2: Convert to fraction form
119,916.08/165,483.12 = 66,199.94/x - Step 3: Cross multiply
119,916.08x = 165,483.12 × 66,199.94 - Step 4: Simplify right side
119,916.08x = 10,954,972,749.46 - Step 5: Solve for x
x = 10,954,972,749.46/119,916.08 - Step 6: Final answer
x = 91,355.33
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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.