Finding the Fourth Proportional to 119,953.09, 164,334.98 and 115,467.31
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Solution
The fourth proportional to 119,953.09, 164,334.98 and 115,467.31 is: 158,189.49
Step by Step Solution
- Step 1: Write the proportion equation
119,953.09 : 164,334.98 = 115,467.31 : x - Step 2: Convert to fraction form
119,953.09/164,334.98 = 115,467.31/x - Step 3: Cross multiply
119,953.09x = 164,334.98 × 115,467.31 - Step 4: Simplify right side
119,953.09x = 18,975,318,079.50 - Step 5: Solve for x
x = 18,975,318,079.50/119,953.09 - Step 6: Final answer
x = 158,189.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.