Finding the Fourth Proportional to 135,130.24, 186,546.24 and 84,856.96
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Solution
The fourth proportional to 135,130.24, 186,546.24 and 84,856.96 is: 117,144.37
Step by Step Solution
- Step 1: Write the proportion equation
135,130.24 : 186,546.24 = 84,856.96 : x - Step 2: Convert to fraction form
135,130.24/186,546.24 = 84,856.96/x - Step 3: Cross multiply
135,130.24x = 186,546.24 × 84,856.96 - Step 4: Simplify right side
135,130.24x = 15,829,746,825.83 - Step 5: Solve for x
x = 15,829,746,825.83/135,130.24 - Step 6: Final answer
x = 117,144.37
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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.