Finding the Fourth Proportional to 134,726.36, 201,957.42 and 114,780.92
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Solution
The fourth proportional to 134,726.36, 201,957.42 and 114,780.92 is: 172,058.82
Step by Step Solution
- Step 1: Write the proportion equation
134,726.36 : 201,957.42 = 114,780.92 : x - Step 2: Convert to fraction form
134,726.36/201,957.42 = 114,780.92/x - Step 3: Cross multiply
134,726.36x = 201,957.42 × 114,780.92 - Step 4: Simplify right side
134,726.36x = 23,180,858,468.43 - Step 5: Solve for x
x = 23,180,858,468.43/134,726.36 - Step 6: Final answer
x = 172,058.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.