Finding the Fourth Proportional to 136,798.28, 205,262.40 and 94,743.08
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Solution
The fourth proportional to 136,798.28, 205,262.40 and 94,743.08 is: 142,159.62
Step by Step Solution
- Step 1: Write the proportion equation
136,798.28 : 205,262.40 = 94,743.08 : x - Step 2: Convert to fraction form
136,798.28/205,262.40 = 94,743.08/x - Step 3: Cross multiply
136,798.28x = 205,262.40 × 94,743.08 - Step 4: Simplify right side
136,798.28x = 19,447,191,984.19 - Step 5: Solve for x
x = 19,447,191,984.19/136,798.28 - Step 6: Final answer
x = 142,159.62
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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.