Finding the Fourth Proportional to 108,937.23, 163,329.69 and 55,645.71
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Solution
The fourth proportional to 108,937.23, 163,329.69 and 55,645.71 is: 83,429.66
Step by Step Solution
- Step 1: Write the proportion equation
108,937.23 : 163,329.69 = 55,645.71 : x - Step 2: Convert to fraction form
108,937.23/163,329.69 = 55,645.71/x - Step 3: Cross multiply
108,937.23x = 163,329.69 × 55,645.71 - Step 4: Simplify right side
108,937.23x = 9,088,596,564.13 - Step 5: Solve for x
x = 9,088,596,564.13/108,937.23 - Step 6: Final answer
x = 83,429.66
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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.