Finding the Fourth Proportional to 164,137.59, 226,509.80 and 88,686.09
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Solution
The fourth proportional to 164,137.59, 226,509.80 and 88,686.09 is: 122,386.76
Step by Step Solution
- Step 1: Write the proportion equation
164,137.59 : 226,509.80 = 88,686.09 : x - Step 2: Convert to fraction form
164,137.59/226,509.80 = 88,686.09/x - Step 3: Cross multiply
164,137.59x = 226,509.80 × 88,686.09 - Step 4: Simplify right side
164,137.59x = 20,088,267,376.13 - Step 5: Solve for x
x = 20,088,267,376.13/164,137.59 - Step 6: Final answer
x = 122,386.76
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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.