Finding the Fourth Proportional to 110,117.80, 165,176.70 and 92,403.10
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Solution
The fourth proportional to 110,117.80, 165,176.70 and 92,403.10 is: 138,604.65
Step by Step Solution
- Step 1: Write the proportion equation
110,117.80 : 165,176.70 = 92,403.10 : x - Step 2: Convert to fraction form
110,117.80/165,176.70 = 92,403.10/x - Step 3: Cross multiply
110,117.80x = 165,176.70 × 92,403.10 - Step 4: Simplify right side
110,117.80x = 15,262,839,127.77 - Step 5: Solve for x
x = 15,262,839,127.77/110,117.80 - Step 6: Final answer
x = 138,604.65
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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.