Finding the Fourth Proportional to 107,263.40, 160,681.26 and 83,779.88
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Solution
The fourth proportional to 107,263.40, 160,681.26 and 83,779.88 is: 125,502.80
Step by Step Solution
- Step 1: Write the proportion equation
107,263.40 : 160,681.26 = 83,779.88 : x - Step 2: Convert to fraction form
107,263.40/160,681.26 = 83,779.88/x - Step 3: Cross multiply
107,263.40x = 160,681.26 × 83,779.88 - Step 4: Simplify right side
107,263.40x = 13,461,856,681.05 - Step 5: Solve for x
x = 13,461,856,681.05/107,263.40 - Step 6: Final answer
x = 125,502.80
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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.