Finding the Fourth Proportional to 112,176.87, 168,124.99 and 56,032.66
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Solution
The fourth proportional to 112,176.87, 168,124.99 and 56,032.66 is: 83,978.89
Step by Step Solution
- Step 1: Write the proportion equation
112,176.87 : 168,124.99 = 56,032.66 : x - Step 2: Convert to fraction form
112,176.87/168,124.99 = 56,032.66/x - Step 3: Cross multiply
112,176.87x = 168,124.99 × 56,032.66 - Step 4: Simplify right side
112,176.87x = 9,420,489,841.78 - Step 5: Solve for x
x = 9,420,489,841.78/112,176.87 - Step 6: Final answer
x = 83,978.89
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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.