Finding the Fourth Proportional to 134,777.09, 202,164.42 and 51,671.09
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Solution
The fourth proportional to 134,777.09, 202,164.42 and 51,671.09 is: 77,506.17
Step by Step Solution
- Step 1: Write the proportion equation
134,777.09 : 202,164.42 = 51,671.09 : x - Step 2: Convert to fraction form
134,777.09/202,164.42 = 51,671.09/x - Step 3: Cross multiply
134,777.09x = 202,164.42 × 51,671.09 - Step 4: Simplify right side
134,777.09x = 10,446,055,940.62 - Step 5: Solve for x
x = 10,446,055,940.62/134,777.09 - Step 6: Final answer
x = 77,506.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.