Finding the Fourth Proportional to 112,037.16, 168,072.12 and 40,963.26
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Solution
The fourth proportional to 112,037.16, 168,072.12 and 40,963.26 is: 61,450.88
Step by Step Solution
- Step 1: Write the proportion equation
112,037.16 : 168,072.12 = 40,963.26 : x - Step 2: Convert to fraction form
112,037.16/168,072.12 = 40,963.26/x - Step 3: Cross multiply
112,037.16x = 168,072.12 × 40,963.26 - Step 4: Simplify right side
112,037.16x = 6,884,781,950.31 - Step 5: Solve for x
x = 6,884,781,950.31/112,037.16 - Step 6: Final answer
x = 61,450.88
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1.5x scale
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.