Finding the Fourth Proportional to 134,079.65, 201,054.47 and 77,935.91
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Solution
The fourth proportional to 134,079.65, 201,054.47 and 77,935.91 is: 116,866.09
Step by Step Solution
- Step 1: Write the proportion equation
134,079.65 : 201,054.47 = 77,935.91 : x - Step 2: Convert to fraction form
134,079.65/201,054.47 = 77,935.91/x - Step 3: Cross multiply
134,079.65x = 201,054.47 × 77,935.91 - Step 4: Simplify right side
134,079.65x = 15,669,363,191.97 - Step 5: Solve for x
x = 15,669,363,191.97/134,079.65 - Step 6: Final answer
x = 116,866.09
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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.