Finding the Fourth Proportional to 169,723.95, 234,222.80 and 98,106.99
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Solution
The fourth proportional to 169,723.95, 234,222.80 and 98,106.99 is: 135,389.81
Step by Step Solution
- Step 1: Write the proportion equation
169,723.95 : 234,222.80 = 98,106.99 : x - Step 2: Convert to fraction form
169,723.95/234,222.80 = 98,106.99/x - Step 3: Cross multiply
169,723.95x = 234,222.80 × 98,106.99 - Step 4: Simplify right side
169,723.95x = 22,978,893,897.37 - Step 5: Solve for x
x = 22,978,893,897.37/169,723.95 - Step 6: Final answer
x = 135,389.81
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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.