Finding the Fourth Proportional to 132,953.94, 183,507.93 and 76,398.12
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Solution
The fourth proportional to 132,953.94, 183,507.93 and 76,398.12 is: 105,447.50
Step by Step Solution
- Step 1: Write the proportion equation
132,953.94 : 183,507.93 = 76,398.12 : x - Step 2: Convert to fraction form
132,953.94/183,507.93 = 76,398.12/x - Step 3: Cross multiply
132,953.94x = 183,507.93 × 76,398.12 - Step 4: Simplify right side
132,953.94x = 14,019,660,857.09 - Step 5: Solve for x
x = 14,019,660,857.09/132,953.94 - Step 6: Final answer
x = 105,447.50
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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.