Finding the Fourth Proportional to 132,681.19, 183,101.79 and 75,316.18
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Solution
The fourth proportional to 132,681.19, 183,101.79 and 75,316.18 is: 103,937.32
Step by Step Solution
- Step 1: Write the proportion equation
132,681.19 : 183,101.79 = 75,316.18 : x - Step 2: Convert to fraction form
132,681.19/183,101.79 = 75,316.18/x - Step 3: Cross multiply
132,681.19x = 183,101.79 × 75,316.18 - Step 4: Simplify right side
132,681.19x = 13,790,527,330.13 - Step 5: Solve for x
x = 13,790,527,330.13/132,681.19 - Step 6: Final answer
x = 103,937.32
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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.