Finding the Fourth Proportional to 136,173.04, 187,867.20 and 84,466.18
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Solution
The fourth proportional to 136,173.04, 187,867.20 and 84,466.18 is: 116,531.32
Step by Step Solution
- Step 1: Write the proportion equation
136,173.04 : 187,867.20 = 84,466.18 : x - Step 2: Convert to fraction form
136,173.04/187,867.20 = 84,466.18/x - Step 3: Cross multiply
136,173.04x = 187,867.20 × 84,466.18 - Step 4: Simplify right side
136,173.04x = 15,868,424,731.30 - Step 5: Solve for x
x = 15,868,424,731.30/136,173.04 - Step 6: Final answer
x = 116,531.32
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1.5x scale
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.