Finding the Fourth Proportional to 113,489.06, 170,012.12 and 88,411.68
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Solution
The fourth proportional to 113,489.06, 170,012.12 and 88,411.68 is: 132,444.99
Step by Step Solution
- Step 1: Write the proportion equation
113,489.06 : 170,012.12 = 88,411.68 : x - Step 2: Convert to fraction form
113,489.06/170,012.12 = 88,411.68/x - Step 3: Cross multiply
113,489.06x = 170,012.12 × 88,411.68 - Step 4: Simplify right side
113,489.06x = 15,031,056,707.50 - Step 5: Solve for x
x = 15,031,056,707.50/113,489.06 - Step 6: Final answer
x = 132,444.99
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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.