Finding the Fourth Proportional to 122,986.14, 183,460.12 and 119,360.58
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Solution
The fourth proportional to 122,986.14, 183,460.12 and 119,360.58 is: 178,051.82
Step by Step Solution
- Step 1: Write the proportion equation
122,986.14 : 183,460.12 = 119,360.58 : x - Step 2: Convert to fraction form
122,986.14/183,460.12 = 119,360.58/x - Step 3: Cross multiply
122,986.14x = 183,460.12 × 119,360.58 - Step 4: Simplify right side
122,986.14x = 21,897,906,330.07 - Step 5: Solve for x
x = 21,897,906,330.07/122,986.14 - Step 6: Final answer
x = 178,051.82
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1.5x scale
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.