Finding the Fourth Proportional to 168,425.13, 232,426.13 and 92,973.09
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Solution
The fourth proportional to 168,425.13, 232,426.13 and 92,973.09 is: 128,302.56
Step by Step Solution
- Step 1: Write the proportion equation
168,425.13 : 232,426.13 = 92,973.09 : x - Step 2: Convert to fraction form
168,425.13/232,426.13 = 92,973.09/x - Step 3: Cross multiply
168,425.13x = 232,426.13 × 92,973.09 - Step 4: Simplify right side
168,425.13x = 21,609,375,037.98 - Step 5: Solve for x
x = 21,609,375,037.98/168,425.13 - Step 6: Final answer
x = 128,302.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.