Finding the Fourth Proportional to 126,277.84, 174,263.07 and 69,688.81
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Solution
The fourth proportional to 126,277.84, 174,263.07 and 69,688.81 is: 96,170.37
Step by Step Solution
- Step 1: Write the proportion equation
126,277.84 : 174,263.07 = 69,688.81 : x - Step 2: Convert to fraction form
126,277.84/174,263.07 = 69,688.81/x - Step 3: Cross multiply
126,277.84x = 174,263.07 × 69,688.81 - Step 4: Simplify right side
126,277.84x = 12,144,185,975.25 - Step 5: Solve for x
x = 12,144,185,975.25/126,277.84 - Step 6: Final answer
x = 96,170.37
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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.