Finding the Fourth Proportional to 163,141.84, 225,005.84 and 134,798.32
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Solution
The fourth proportional to 163,141.84, 225,005.84 and 134,798.32 is: 185,914.35
Step by Step Solution
- Step 1: Write the proportion equation
163,141.84 : 225,005.84 = 134,798.32 : x - Step 2: Convert to fraction form
163,141.84/225,005.84 = 134,798.32/x - Step 3: Cross multiply
163,141.84x = 225,005.84 × 134,798.32 - Step 4: Simplify right side
163,141.84x = 30,330,409,222.19 - Step 5: Solve for x
x = 30,330,409,222.19/163,141.84 - Step 6: Final answer
x = 185,914.35
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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.