Finding the Fourth Proportional to 122,355.13, 168,752.68 and 101,097.49
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Solution
The fourth proportional to 122,355.13, 168,752.68 and 101,097.49 is: 139,434.06
Step by Step Solution
- Step 1: Write the proportion equation
122,355.13 : 168,752.68 = 101,097.49 : x - Step 2: Convert to fraction form
122,355.13/168,752.68 = 101,097.49/x - Step 3: Cross multiply
122,355.13x = 168,752.68 × 101,097.49 - Step 4: Simplify right side
122,355.13x = 17,060,472,378.77 - Step 5: Solve for x
x = 17,060,472,378.77/122,355.13 - Step 6: Final answer
x = 139,434.06
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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.