Finding the Fourth Proportional to 121,289.00, 167,359.23 and 67,572.63
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Solution
The fourth proportional to 121,289.00, 167,359.23 and 67,572.63 is: 93,239.32
Step by Step Solution
- Step 1: Write the proportion equation
121,289.00 : 167,359.23 = 67,572.63 : x - Step 2: Convert to fraction form
121,289.00/167,359.23 = 67,572.63/x - Step 3: Cross multiply
121,289.00x = 167,359.23 × 67,572.63 - Step 4: Simplify right side
121,289.00x = 11,308,903,325.87 - Step 5: Solve for x
x = 11,308,903,325.87/121,289.00 - Step 6: Final answer
x = 93,239.32
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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.