Finding the Fourth Proportional to 96,397.13, 144,344.18 and 77,574.35
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Solution
The fourth proportional to 96,397.13, 144,344.18 and 77,574.35 is: 116,159.12
Step by Step Solution
- Step 1: Write the proportion equation
96,397.13 : 144,344.18 = 77,574.35 : x - Step 2: Convert to fraction form
96,397.13/144,344.18 = 77,574.35/x - Step 3: Cross multiply
96,397.13x = 144,344.18 × 77,574.35 - Step 4: Simplify right side
96,397.13x = 11,197,405,939.78 - Step 5: Solve for x
x = 11,197,405,939.78/96,397.13 - Step 6: Final answer
x = 116,159.12
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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.