Finding the Fourth Proportional to 107,970.13, 148,958.61 and 62,622.68
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Solution
The fourth proportional to 107,970.13, 148,958.61 and 62,622.68 is: 86,396.00
Step by Step Solution
- Step 1: Write the proportion equation
107,970.13 : 148,958.61 = 62,622.68 : x - Step 2: Convert to fraction form
107,970.13/148,958.61 = 62,622.68/x - Step 3: Cross multiply
107,970.13x = 148,958.61 × 62,622.68 - Step 4: Simplify right side
107,970.13x = 9,328,187,367.27 - Step 5: Solve for x
x = 9,328,187,367.27/107,970.13 - Step 6: Final answer
x = 86,396.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.