Finding the Fourth Proportional to 135,159.99, 186,479.82 and 94,323.03
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Solution
The fourth proportional to 135,159.99, 186,479.82 and 94,323.03 is: 130,137.19
Step by Step Solution
- Step 1: Write the proportion equation
135,159.99 : 186,479.82 = 94,323.03 : x - Step 2: Convert to fraction form
135,159.99/186,479.82 = 94,323.03/x - Step 3: Cross multiply
135,159.99x = 186,479.82 × 94,323.03 - Step 4: Simplify right side
135,159.99x = 17,589,341,656.25 - Step 5: Solve for x
x = 17,589,341,656.25/135,159.99 - Step 6: Final answer
x = 130,137.19
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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.