Finding the Fourth Proportional to 126,823.48, 190,177.71 and 47,881.69
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Solution
The fourth proportional to 126,823.48, 190,177.71 and 47,881.69 is: 71,800.82
Step by Step Solution
- Step 1: Write the proportion equation
126,823.48 : 190,177.71 = 47,881.69 : x - Step 2: Convert to fraction form
126,823.48/190,177.71 = 47,881.69/x - Step 3: Cross multiply
126,823.48x = 190,177.71 × 47,881.69 - Step 4: Simplify right side
126,823.48x = 9,106,030,155.13 - Step 5: Solve for x
x = 9,106,030,155.13/126,823.48 - Step 6: Final answer
x = 71,800.82
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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.