Finding the Fourth Proportional to 102,103.05, 153,134.39 and 97,039.68
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Solution
The fourth proportional to 102,103.05, 153,134.39 and 97,039.68 is: 145,540.33
Step by Step Solution
- Step 1: Write the proportion equation
102,103.05 : 153,134.39 = 97,039.68 : x - Step 2: Convert to fraction form
102,103.05/153,134.39 = 97,039.68/x - Step 3: Cross multiply
102,103.05x = 153,134.39 × 97,039.68 - Step 4: Simplify right side
102,103.05x = 14,860,111,870.94 - Step 5: Solve for x
x = 14,860,111,870.94/102,103.05 - Step 6: Final answer
x = 145,540.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.