Finding the Fourth Proportional to 147,125.76, 202,998.16 and 86,698.88
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Solution
The fourth proportional to 147,125.76, 202,998.16 and 86,698.88 is: 119,623.60
Step by Step Solution
- Step 1: Write the proportion equation
147,125.76 : 202,998.16 = 86,698.88 : x - Step 2: Convert to fraction form
147,125.76/202,998.16 = 86,698.88/x - Step 3: Cross multiply
147,125.76x = 202,998.16 × 86,698.88 - Step 4: Simplify right side
147,125.76x = 17,599,713,114.06 - Step 5: Solve for x
x = 17,599,713,114.06/147,125.76 - Step 6: Final answer
x = 119,623.60
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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.