Finding the Fourth Proportional to 135,032.28, 186,397.03 and 120,860.52
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Solution
The fourth proportional to 135,032.28, 186,397.03 and 120,860.52 is: 166,834.49
Step by Step Solution
- Step 1: Write the proportion equation
135,032.28 : 186,397.03 = 120,860.52 : x - Step 2: Convert to fraction form
135,032.28/186,397.03 = 120,860.52/x - Step 3: Cross multiply
135,032.28x = 186,397.03 × 120,860.52 - Step 4: Simplify right side
135,032.28x = 22,528,041,972.26 - Step 5: Solve for x
x = 22,528,041,972.26/135,032.28 - Step 6: Final answer
x = 166,834.49
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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.