Finding the Fourth Proportional to 107,779.81, 148,739.84 and 62,457.88
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Solution
The fourth proportional to 107,779.81, 148,739.84 and 62,457.88 is: 86,194.02
Step by Step Solution
- Step 1: Write the proportion equation
107,779.81 : 148,739.84 = 62,457.88 : x - Step 2: Convert to fraction form
107,779.81/148,739.84 = 62,457.88/x - Step 3: Cross multiply
107,779.81x = 148,739.84 × 62,457.88 - Step 4: Simplify right side
107,779.81x = 9,289,974,862.23 - Step 5: Solve for x
x = 9,289,974,862.23/107,779.81 - Step 6: Final answer
x = 86,194.02
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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.