Finding the Fourth Proportional to 132,865.80, 183,139.02 and 115,594.26
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Solution
The fourth proportional to 132,865.80, 183,139.02 and 115,594.26 is: 159,332.35
Step by Step Solution
- Step 1: Write the proportion equation
132,865.80 : 183,139.02 = 115,594.26 : x - Step 2: Convert to fraction form
132,865.80/183,139.02 = 115,594.26/x - Step 3: Cross multiply
132,865.80x = 183,139.02 × 115,594.26 - Step 4: Simplify right side
132,865.80x = 21,169,819,494.03 - Step 5: Solve for x
x = 21,169,819,494.03/132,865.80 - Step 6: Final answer
x = 159,332.35
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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.