Finding the Fourth Proportional to 172,129.25, 237,560.64 and 96,677.75
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Solution
The fourth proportional to 172,129.25, 237,560.64 and 96,677.75 is: 133,427.81
Step by Step Solution
- Step 1: Write the proportion equation
172,129.25 : 237,560.64 = 96,677.75 : x - Step 2: Convert to fraction form
172,129.25/237,560.64 = 96,677.75/x - Step 3: Cross multiply
172,129.25x = 237,560.64 × 96,677.75 - Step 4: Simplify right side
172,129.25x = 22,966,828,163.76 - Step 5: Solve for x
x = 22,966,828,163.76/172,129.25 - Step 6: Final answer
x = 133,427.81
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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.