Finding the Fourth Proportional to 135,173.16, 186,535.26 and 74,746.26
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Solution
The fourth proportional to 135,173.16, 186,535.26 and 74,746.26 is: 103,147.79
Step by Step Solution
- Step 1: Write the proportion equation
135,173.16 : 186,535.26 = 74,746.26 : x - Step 2: Convert to fraction form
135,173.16/186,535.26 = 74,746.26/x - Step 3: Cross multiply
135,173.16x = 186,535.26 × 74,746.26 - Step 4: Simplify right side
135,173.16x = 13,942,813,043.13 - Step 5: Solve for x
x = 13,942,813,043.13/135,173.16 - Step 6: Final answer
x = 103,147.79
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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.