Finding the Fourth Proportional to 132,998.49, 183,536.35 and 72,567.83
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Solution
The fourth proportional to 132,998.49, 183,536.35 and 72,567.83 is: 100,142.75
Step by Step Solution
- Step 1: Write the proportion equation
132,998.49 : 183,536.35 = 72,567.83 : x - Step 2: Convert to fraction form
132,998.49/183,536.35 = 72,567.83/x - Step 3: Cross multiply
132,998.49x = 183,536.35 × 72,567.83 - Step 4: Simplify right side
132,998.49x = 13,318,834,923.04 - Step 5: Solve for x
x = 13,318,834,923.04/132,998.49 - Step 6: Final answer
x = 100,142.75
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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.