Finding the Fourth Proportional to 125,320.23, 186,678.09 and 118,529.60
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Solution
The fourth proportional to 125,320.23, 186,678.09 and 118,529.60 is: 176,562.70
Step by Step Solution
- Step 1: Write the proportion equation
125,320.23 : 186,678.09 = 118,529.60 : x - Step 2: Convert to fraction form
125,320.23/186,678.09 = 118,529.60/x - Step 3: Cross multiply
125,320.23x = 186,678.09 × 118,529.60 - Step 4: Simplify right side
125,320.23x = 22,126,878,403.07 - Step 5: Solve for x
x = 22,126,878,403.07/125,320.23 - Step 6: Final answer
x = 176,562.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.