Finding the Fourth Proportional to 163,054.12, 225,009.99 and 99,368.68
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Solution
The fourth proportional to 163,054.12, 225,009.99 and 99,368.68 is: 137,125.92
Step by Step Solution
- Step 1: Write the proportion equation
163,054.12 : 225,009.99 = 99,368.68 : x - Step 2: Convert to fraction form
163,054.12/225,009.99 = 99,368.68/x - Step 3: Cross multiply
163,054.12x = 225,009.99 × 99,368.68 - Step 4: Simplify right side
163,054.12x = 22,358,945,693.11 - Step 5: Solve for x
x = 22,358,945,693.11/163,054.12 - Step 6: Final answer
x = 137,125.92
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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.