Finding the Fourth Proportional to 119,847.08, 165,381.99 and 66,131.98
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Solution
The fourth proportional to 119,847.08, 165,381.99 and 66,131.98 is: 91,258.28
Step by Step Solution
- Step 1: Write the proportion equation
119,847.08 : 165,381.99 = 66,131.98 : x - Step 2: Convert to fraction form
119,847.08/165,381.99 = 66,131.98/x - Step 3: Cross multiply
119,847.08x = 165,381.99 × 66,131.98 - Step 4: Simplify right side
119,847.08x = 10,937,038,455.04 - Step 5: Solve for x
x = 10,937,038,455.04/119,847.08 - Step 6: Final answer
x = 91,258.28
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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.